Home / 8,541.24-12,808.56-3,545.16

Finding the Fourth Proportional to 8,541.24, 12,808.56 and 3,545.16

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Solution

The fourth proportional to 8,541.24, 12,808.56 and 3,545.16 is: 5,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.24 : 12,808.56 = 3,545.16 : x
  2. Step 2: Convert to fraction form
    8,541.24/12,808.56 = 3,545.16/x
  3. Step 3: Cross multiply
    8,541.24x = 12,808.56 × 3,545.16
  4. Step 4: Simplify right side
    8,541.24x = 45,408,394.57
  5. Step 5: Solve for x
    x = 45,408,394.57/8,541.24
  6. Step 6: Final answer
    x = 5,316.37

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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.