Home / 7,454.50-10,287.30-4,472.92

Finding the Fourth Proportional to 7,454.50, 10,287.30 and 4,472.92

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Solution

The fourth proportional to 7,454.50, 10,287.30 and 4,472.92 is: 6,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.50 : 10,287.30 = 4,472.92 : x
  2. Step 2: Convert to fraction form
    7,454.50/10,287.30 = 4,472.92/x
  3. Step 3: Cross multiply
    7,454.50x = 10,287.30 × 4,472.92
  4. Step 4: Simplify right side
    7,454.50x = 46,014,269.92
  5. Step 5: Solve for x
    x = 46,014,269.92/7,454.50
  6. Step 6: Final answer
    x = 6,172.68

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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.