Home / 8,769.19-13,154.46-2,925.79

Finding the Fourth Proportional to 8,769.19, 13,154.46 and 2,925.79

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Solution

The fourth proportional to 8,769.19, 13,154.46 and 2,925.79 is: 4,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.19 : 13,154.46 = 2,925.79 : x
  2. Step 2: Convert to fraction form
    8,769.19/13,154.46 = 2,925.79/x
  3. Step 3: Cross multiply
    8,769.19x = 13,154.46 × 2,925.79
  4. Step 4: Simplify right side
    8,769.19x = 38,487,187.52
  5. Step 5: Solve for x
    x = 38,487,187.52/8,769.19
  6. Step 6: Final answer
    x = 4,388.91

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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.