Home / 8,302.91-12,445.72-3,621.66

Finding the Fourth Proportional to 8,302.91, 12,445.72 and 3,621.66

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Solution

The fourth proportional to 8,302.91, 12,445.72 and 3,621.66 is: 5,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.91 : 12,445.72 = 3,621.66 : x
  2. Step 2: Convert to fraction form
    8,302.91/12,445.72 = 3,621.66/x
  3. Step 3: Cross multiply
    8,302.91x = 12,445.72 × 3,621.66
  4. Step 4: Simplify right side
    8,302.91x = 45,074,203.91
  5. Step 5: Solve for x
    x = 45,074,203.91/8,302.91
  6. Step 6: Final answer
    x = 5,428.72

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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.