Home / 8,399.40-11,590.50-4,862.76

Finding the Fourth Proportional to 8,399.40, 11,590.50 and 4,862.76

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Solution

The fourth proportional to 8,399.40, 11,590.50 and 4,862.76 is: 6,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.40 : 11,590.50 = 4,862.76 : x
  2. Step 2: Convert to fraction form
    8,399.40/11,590.50 = 4,862.76/x
  3. Step 3: Cross multiply
    8,399.40x = 11,590.50 × 4,862.76
  4. Step 4: Simplify right side
    8,399.40x = 56,361,819.78
  5. Step 5: Solve for x
    x = 56,361,819.78/8,399.40
  6. Step 6: Final answer
    x = 6,710.22

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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.