Home / 7,457.72-10,287.95-4,472.87

Finding the Fourth Proportional to 7,457.72, 10,287.95 and 4,472.87

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Solution

The fourth proportional to 7,457.72, 10,287.95 and 4,472.87 is: 6,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.72 : 10,287.95 = 4,472.87 : x
  2. Step 2: Convert to fraction form
    7,457.72/10,287.95 = 4,472.87/x
  3. Step 3: Cross multiply
    7,457.72x = 10,287.95 × 4,472.87
  4. Step 4: Simplify right side
    7,457.72x = 46,016,589.11
  5. Step 5: Solve for x
    x = 46,016,589.11/7,457.72
  6. Step 6: Final answer
    x = 6,170.33

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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.