Home / 8,423.19-12,637.22-2,580.66

Finding the Fourth Proportional to 8,423.19, 12,637.22 and 2,580.66

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Solution

The fourth proportional to 8,423.19, 12,637.22 and 2,580.66 is: 3,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.19 : 12,637.22 = 2,580.66 : x
  2. Step 2: Convert to fraction form
    8,423.19/12,637.22 = 2,580.66/x
  3. Step 3: Cross multiply
    8,423.19x = 12,637.22 × 2,580.66
  4. Step 4: Simplify right side
    8,423.19x = 32,612,355.26
  5. Step 5: Solve for x
    x = 32,612,355.26/8,423.19
  6. Step 6: Final answer
    x = 3,871.73

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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.