Home / 8,399.28-11,590.98-4,862.76

Finding the Fourth Proportional to 8,399.28, 11,590.98 and 4,862.76

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Solution

The fourth proportional to 8,399.28, 11,590.98 and 4,862.76 is: 6,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.28 : 11,590.98 = 4,862.76 : x
  2. Step 2: Convert to fraction form
    8,399.28/11,590.98 = 4,862.76/x
  3. Step 3: Cross multiply
    8,399.28x = 11,590.98 × 4,862.76
  4. Step 4: Simplify right side
    8,399.28x = 56,364,153.90
  5. Step 5: Solve for x
    x = 56,364,153.90/8,399.28
  6. Step 6: Final answer
    x = 6,710.59

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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.