Home / 8,768.68-13,153.71-2,925.29

Finding the Fourth Proportional to 8,768.68, 13,153.71 and 2,925.29

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Solution

The fourth proportional to 8,768.68, 13,153.71 and 2,925.29 is: 4,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.68 : 13,153.71 = 2,925.29 : x
  2. Step 2: Convert to fraction form
    8,768.68/13,153.71 = 2,925.29/x
  3. Step 3: Cross multiply
    8,768.68x = 13,153.71 × 2,925.29
  4. Step 4: Simplify right side
    8,768.68x = 38,478,383.44
  5. Step 5: Solve for x
    x = 38,478,383.44/8,768.68
  6. Step 6: Final answer
    x = 4,388.16

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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.