Home / 5,519.56-7,617.90-4,032.40

Finding the Fourth Proportional to 5,519.56, 7,617.90 and 4,032.40

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Solution

The fourth proportional to 5,519.56, 7,617.90 and 4,032.40 is: 5,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.56 : 7,617.90 = 4,032.40 : x
  2. Step 2: Convert to fraction form
    5,519.56/7,617.90 = 4,032.40/x
  3. Step 3: Cross multiply
    5,519.56x = 7,617.90 × 4,032.40
  4. Step 4: Simplify right side
    5,519.56x = 30,718,419.96
  5. Step 5: Solve for x
    x = 30,718,419.96/5,519.56
  6. Step 6: Final answer
    x = 5,565.37

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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.