Home / 9,119.08-13,680.95-2,545.28

Finding the Fourth Proportional to 9,119.08, 13,680.95 and 2,545.28

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Solution

The fourth proportional to 9,119.08, 13,680.95 and 2,545.28 is: 3,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.08 : 13,680.95 = 2,545.28 : x
  2. Step 2: Convert to fraction form
    9,119.08/13,680.95 = 2,545.28/x
  3. Step 3: Cross multiply
    9,119.08x = 13,680.95 × 2,545.28
  4. Step 4: Simplify right side
    9,119.08x = 34,821,767.28
  5. Step 5: Solve for x
    x = 34,821,767.28/9,119.08
  6. Step 6: Final answer
    x = 3,818.56

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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.