Home / 6,156.16-9,221.20-4,302.88

Finding the Fourth Proportional to 6,156.16, 9,221.20 and 4,302.88

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Solution

The fourth proportional to 6,156.16, 9,221.20 and 4,302.88 is: 6,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.16 : 9,221.20 = 4,302.88 : x
  2. Step 2: Convert to fraction form
    6,156.16/9,221.20 = 4,302.88/x
  3. Step 3: Cross multiply
    6,156.16x = 9,221.20 × 4,302.88
  4. Step 4: Simplify right side
    6,156.16x = 39,677,717.06
  5. Step 5: Solve for x
    x = 39,677,717.06/6,156.16
  6. Step 6: Final answer
    x = 6,445.21

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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.