Home / 8,514.40-12,748.52-4,401.76

Finding the Fourth Proportional to 8,514.40, 12,748.52 and 4,401.76

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Solution

The fourth proportional to 8,514.40, 12,748.52 and 4,401.76 is: 6,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.40 : 12,748.52 = 4,401.76 : x
  2. Step 2: Convert to fraction form
    8,514.40/12,748.52 = 4,401.76/x
  3. Step 3: Cross multiply
    8,514.40x = 12,748.52 × 4,401.76
  4. Step 4: Simplify right side
    8,514.40x = 56,115,925.40
  5. Step 5: Solve for x
    x = 56,115,925.40/8,514.40
  6. Step 6: Final answer
    x = 6,590.71

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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.