Home / 9,128.35-12,594.02-7,446.85

Finding the Fourth Proportional to 9,128.35, 12,594.02 and 7,446.85

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Solution

The fourth proportional to 9,128.35, 12,594.02 and 7,446.85 is: 10,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.35 : 12,594.02 = 7,446.85 : x
  2. Step 2: Convert to fraction form
    9,128.35/12,594.02 = 7,446.85/x
  3. Step 3: Cross multiply
    9,128.35x = 12,594.02 × 7,446.85
  4. Step 4: Simplify right side
    9,128.35x = 93,785,714.87
  5. Step 5: Solve for x
    x = 93,785,714.87/9,128.35
  6. Step 6: Final answer
    x = 10,274.12

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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.