Home / 7,869.48-10,859.49-4,332.12

Finding the Fourth Proportional to 7,869.48, 10,859.49 and 4,332.12

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Solution

The fourth proportional to 7,869.48, 10,859.49 and 4,332.12 is: 5,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.48 : 10,859.49 = 4,332.12 : x
  2. Step 2: Convert to fraction form
    7,869.48/10,859.49 = 4,332.12/x
  3. Step 3: Cross multiply
    7,869.48x = 10,859.49 × 4,332.12
  4. Step 4: Simplify right side
    7,869.48x = 47,044,613.82
  5. Step 5: Solve for x
    x = 47,044,613.82/7,869.48
  6. Step 6: Final answer
    x = 5,978.11

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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.