Home / 7,117.48-10,678.14-6,432.04

Finding the Fourth Proportional to 7,117.48, 10,678.14 and 6,432.04

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Solution

The fourth proportional to 7,117.48, 10,678.14 and 6,432.04 is: 9,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.48 : 10,678.14 = 6,432.04 : x
  2. Step 2: Convert to fraction form
    7,117.48/10,678.14 = 6,432.04/x
  3. Step 3: Cross multiply
    7,117.48x = 10,678.14 × 6,432.04
  4. Step 4: Simplify right side
    7,117.48x = 68,682,223.61
  5. Step 5: Solve for x
    x = 68,682,223.61/7,117.48
  6. Step 6: Final answer
    x = 9,649.80

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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.