Home / 6,272.79-8,656.41-3,440.19

Finding the Fourth Proportional to 6,272.79, 8,656.41 and 3,440.19

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Solution

The fourth proportional to 6,272.79, 8,656.41 and 3,440.19 is: 4,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.79 : 8,656.41 = 3,440.19 : x
  2. Step 2: Convert to fraction form
    6,272.79/8,656.41 = 3,440.19/x
  3. Step 3: Cross multiply
    6,272.79x = 8,656.41 × 3,440.19
  4. Step 4: Simplify right side
    6,272.79x = 29,779,695.12
  5. Step 5: Solve for x
    x = 29,779,695.12/6,272.79
  6. Step 6: Final answer
    x = 4,747.44

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Half scale
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Double scale
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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.