Home / 9,079.20-12,529.35-5,045.76

Finding the Fourth Proportional to 9,079.20, 12,529.35 and 5,045.76

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Solution

The fourth proportional to 9,079.20, 12,529.35 and 5,045.76 is: 6,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.20 : 12,529.35 = 5,045.76 : x
  2. Step 2: Convert to fraction form
    9,079.20/12,529.35 = 5,045.76/x
  3. Step 3: Cross multiply
    9,079.20x = 12,529.35 × 5,045.76
  4. Step 4: Simplify right side
    9,079.20x = 63,220,093.06
  5. Step 5: Solve for x
    x = 63,220,093.06/9,079.20
  6. Step 6: Final answer
    x = 6,963.18

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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.