Home / 5,425.32-7,487.28-3,302.40

Finding the Fourth Proportional to 5,425.32, 7,487.28 and 3,302.40

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Solution

The fourth proportional to 5,425.32, 7,487.28 and 3,302.40 is: 4,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.32 : 7,487.28 = 3,302.40 : x
  2. Step 2: Convert to fraction form
    5,425.32/7,487.28 = 3,302.40/x
  3. Step 3: Cross multiply
    5,425.32x = 7,487.28 × 3,302.40
  4. Step 4: Simplify right side
    5,425.32x = 24,725,993.47
  5. Step 5: Solve for x
    x = 24,725,993.47/5,425.32
  6. Step 6: Final answer
    x = 4,557.52

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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.