Home / 7,868.91-10,859.09-4,332.10

Finding the Fourth Proportional to 7,868.91, 10,859.09 and 4,332.10

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Solution

The fourth proportional to 7,868.91, 10,859.09 and 4,332.10 is: 5,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.91 : 10,859.09 = 4,332.10 : x
  2. Step 2: Convert to fraction form
    7,868.91/10,859.09 = 4,332.10/x
  3. Step 3: Cross multiply
    7,868.91x = 10,859.09 × 4,332.10
  4. Step 4: Simplify right side
    7,868.91x = 47,042,663.79
  5. Step 5: Solve for x
    x = 47,042,663.79/7,868.91
  6. Step 6: Final answer
    x = 5,978.29

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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.