Home / 7,547.55-10,415.52-4,190.23

Finding the Fourth Proportional to 7,547.55, 10,415.52 and 4,190.23

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Solution

The fourth proportional to 7,547.55, 10,415.52 and 4,190.23 is: 5,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.55 : 10,415.52 = 4,190.23 : x
  2. Step 2: Convert to fraction form
    7,547.55/10,415.52 = 4,190.23/x
  3. Step 3: Cross multiply
    7,547.55x = 10,415.52 × 4,190.23
  4. Step 4: Simplify right side
    7,547.55x = 43,643,424.37
  5. Step 5: Solve for x
    x = 43,643,424.37/7,547.55
  6. Step 6: Final answer
    x = 5,782.46

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Half scale
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Double scale
Find fourth proportional to 7,548.55, 10,416.90 and 4,191.23
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.