Home / 7,547.97-10,415.55-4,190.73

Finding the Fourth Proportional to 7,547.97, 10,415.55 and 4,190.73

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Solution

The fourth proportional to 7,547.97, 10,415.55 and 4,190.73 is: 5,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.97 : 10,415.55 = 4,190.73 : x
  2. Step 2: Convert to fraction form
    7,547.97/10,415.55 = 4,190.73/x
  3. Step 3: Cross multiply
    7,547.97x = 10,415.55 × 4,190.73
  4. Step 4: Simplify right side
    7,547.97x = 43,648,757.85
  5. Step 5: Solve for x
    x = 43,648,757.85/7,547.97
  6. Step 6: Final answer
    x = 5,782.85

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Half scale
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Double scale
Find fourth proportional to 7,548.97, 10,416.93 and 4,191.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.