Home / 7,497.28-11,252.74-3,990.23

Finding the Fourth Proportional to 7,497.28, 11,252.74 and 3,990.23

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Solution

The fourth proportional to 7,497.28, 11,252.74 and 3,990.23 is: 5,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.28 : 11,252.74 = 3,990.23 : x
  2. Step 2: Convert to fraction form
    7,497.28/11,252.74 = 3,990.23/x
  3. Step 3: Cross multiply
    7,497.28x = 11,252.74 × 3,990.23
  4. Step 4: Simplify right side
    7,497.28x = 44,901,004.17
  5. Step 5: Solve for x
    x = 44,901,004.17/7,497.28
  6. Step 6: Final answer
    x = 5,988.98

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1.5x scale

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.