Home / 8,423.43-12,637.37-2,876.76

Finding the Fourth Proportional to 8,423.43, 12,637.37 and 2,876.76

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Solution

The fourth proportional to 8,423.43, 12,637.37 and 2,876.76 is: 4,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.43 : 12,637.37 = 2,876.76 : x
  2. Step 2: Convert to fraction form
    8,423.43/12,637.37 = 2,876.76/x
  3. Step 3: Cross multiply
    8,423.43x = 12,637.37 × 2,876.76
  4. Step 4: Simplify right side
    8,423.43x = 36,354,666.14
  5. Step 5: Solve for x
    x = 36,354,666.14/8,423.43
  6. Step 6: Final answer
    x = 4,315.90

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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.