Home / 5,587.42-7,711.70-3,229.50

Finding the Fourth Proportional to 5,587.42, 7,711.70 and 3,229.50

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Solution

The fourth proportional to 5,587.42, 7,711.70 and 3,229.50 is: 4,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.42 : 7,711.70 = 3,229.50 : x
  2. Step 2: Convert to fraction form
    5,587.42/7,711.70 = 3,229.50/x
  3. Step 3: Cross multiply
    5,587.42x = 7,711.70 × 3,229.50
  4. Step 4: Simplify right side
    5,587.42x = 24,904,935.15
  5. Step 5: Solve for x
    x = 24,904,935.15/5,587.42
  6. Step 6: Final answer
    x = 4,457.32

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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.