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Finding the Fourth Proportional to 4,373.78, 6,514.28 and 4,352.60

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Solution

The fourth proportional to 4,373.78, 6,514.28 and 4,352.60 is: 6,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,373.78 : 6,514.28 = 4,352.60 : x
  2. Step 2: Convert to fraction form
    4,373.78/6,514.28 = 4,352.60/x
  3. Step 3: Cross multiply
    4,373.78x = 6,514.28 × 4,352.60
  4. Step 4: Simplify right side
    4,373.78x = 28,354,033.44
  5. Step 5: Solve for x
    x = 28,354,033.44/4,373.78
  6. Step 6: Final answer
    x = 6,482.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.