Home / 8,769.32-13,153.62-4,871.24

Finding the Fourth Proportional to 8,769.32, 13,153.62 and 4,871.24

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Solution

The fourth proportional to 8,769.32, 13,153.62 and 4,871.24 is: 7,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.32 : 13,153.62 = 4,871.24 : x
  2. Step 2: Convert to fraction form
    8,769.32/13,153.62 = 4,871.24/x
  3. Step 3: Cross multiply
    8,769.32x = 13,153.62 × 4,871.24
  4. Step 4: Simplify right side
    8,769.32x = 64,074,439.89
  5. Step 5: Solve for x
    x = 64,074,439.89/8,769.32
  6. Step 6: Final answer
    x = 7,306.66

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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.