Home / 8,747.10-13,121.46-2,903.76

Finding the Fourth Proportional to 8,747.10, 13,121.46 and 2,903.76

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Solution

The fourth proportional to 8,747.10, 13,121.46 and 2,903.76 is: 4,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.10 : 13,121.46 = 2,903.76 : x
  2. Step 2: Convert to fraction form
    8,747.10/13,121.46 = 2,903.76/x
  3. Step 3: Cross multiply
    8,747.10x = 13,121.46 × 2,903.76
  4. Step 4: Simplify right side
    8,747.10x = 38,101,570.69
  5. Step 5: Solve for x
    x = 38,101,570.69/8,747.10
  6. Step 6: Final answer
    x = 4,355.91

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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.