Home / 8,942.13-12,335.01-5,579.10

Finding the Fourth Proportional to 8,942.13, 12,335.01 and 5,579.10

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Solution

The fourth proportional to 8,942.13, 12,335.01 and 5,579.10 is: 7,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.13 : 12,335.01 = 5,579.10 : x
  2. Step 2: Convert to fraction form
    8,942.13/12,335.01 = 5,579.10/x
  3. Step 3: Cross multiply
    8,942.13x = 12,335.01 × 5,579.10
  4. Step 4: Simplify right side
    8,942.13x = 68,818,254.29
  5. Step 5: Solve for x
    x = 68,818,254.29/8,942.13
  6. Step 6: Final answer
    x = 7,695.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.