Home / 8,768.09-13,152.81-2,924.70

Finding the Fourth Proportional to 8,768.09, 13,152.81 and 2,924.70

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Solution

The fourth proportional to 8,768.09, 13,152.81 and 2,924.70 is: 4,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.09 : 13,152.81 = 2,924.70 : x
  2. Step 2: Convert to fraction form
    8,768.09/13,152.81 = 2,924.70/x
  3. Step 3: Cross multiply
    8,768.09x = 13,152.81 × 2,924.70
  4. Step 4: Simplify right side
    8,768.09x = 38,468,023.41
  5. Step 5: Solve for x
    x = 38,468,023.41/8,768.09
  6. Step 6: Final answer
    x = 4,387.28

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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.