Home / 8,754.30-12,085.02-5,612.28

Finding the Fourth Proportional to 8,754.30, 12,085.02 and 5,612.28

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Solution

The fourth proportional to 8,754.30, 12,085.02 and 5,612.28 is: 7,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.30 : 12,085.02 = 5,612.28 : x
  2. Step 2: Convert to fraction form
    8,754.30/12,085.02 = 5,612.28/x
  3. Step 3: Cross multiply
    8,754.30x = 12,085.02 × 5,612.28
  4. Step 4: Simplify right side
    8,754.30x = 67,824,516.05
  5. Step 5: Solve for x
    x = 67,824,516.05/8,754.30
  6. Step 6: Final answer
    x = 7,747.57

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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.