Home / 4,931.50-7,397.49-1,468.78

Finding the Fourth Proportional to 4,931.50, 7,397.49 and 1,468.78

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Solution

The fourth proportional to 4,931.50, 7,397.49 and 1,468.78 is: 2,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.50 : 7,397.49 = 1,468.78 : x
  2. Step 2: Convert to fraction form
    4,931.50/7,397.49 = 1,468.78/x
  3. Step 3: Cross multiply
    4,931.50x = 7,397.49 × 1,468.78
  4. Step 4: Simplify right side
    4,931.50x = 10,865,285.36
  5. Step 5: Solve for x
    x = 10,865,285.36/4,931.50
  6. Step 6: Final answer
    x = 2,203.24

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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.