Home / 7,658.24-11,487.36-4,939.52

Finding the Fourth Proportional to 7,658.24, 11,487.36 and 4,939.52

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Solution

The fourth proportional to 7,658.24, 11,487.36 and 4,939.52 is: 7,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.24 : 11,487.36 = 4,939.52 : x
  2. Step 2: Convert to fraction form
    7,658.24/11,487.36 = 4,939.52/x
  3. Step 3: Cross multiply
    7,658.24x = 11,487.36 × 4,939.52
  4. Step 4: Simplify right side
    7,658.24x = 56,742,044.47
  5. Step 5: Solve for x
    x = 56,742,044.47/7,658.24
  6. Step 6: Final answer
    x = 7,409.28

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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.