Home / 5,460.62-8,190.89-1,565.01

Finding the Fourth Proportional to 5,460.62, 8,190.89 and 1,565.01

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Solution

The fourth proportional to 5,460.62, 8,190.89 and 1,565.01 is: 2,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.62 : 8,190.89 = 1,565.01 : x
  2. Step 2: Convert to fraction form
    5,460.62/8,190.89 = 1,565.01/x
  3. Step 3: Cross multiply
    5,460.62x = 8,190.89 × 1,565.01
  4. Step 4: Simplify right side
    5,460.62x = 12,818,816.93
  5. Step 5: Solve for x
    x = 12,818,816.93/5,460.62
  6. Step 6: Final answer
    x = 2,347.50

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.