Home / 9,151.30-12,628.82-4,959.55

Finding the Fourth Proportional to 9,151.30, 12,628.82 and 4,959.55

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Solution

The fourth proportional to 9,151.30, 12,628.82 and 4,959.55 is: 6,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.30 : 12,628.82 = 4,959.55 : x
  2. Step 2: Convert to fraction form
    9,151.30/12,628.82 = 4,959.55/x
  3. Step 3: Cross multiply
    9,151.30x = 12,628.82 × 4,959.55
  4. Step 4: Simplify right side
    9,151.30x = 62,633,264.23
  5. Step 5: Solve for x
    x = 62,633,264.23/9,151.30
  6. Step 6: Final answer
    x = 6,844.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.