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Finding the Fourth Proportional to 4,347.64, 6,522.10 and 1,425.72

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Solution

The fourth proportional to 4,347.64, 6,522.10 and 1,425.72 is: 2,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.64 : 6,522.10 = 1,425.72 : x
  2. Step 2: Convert to fraction form
    4,347.64/6,522.10 = 1,425.72/x
  3. Step 3: Cross multiply
    4,347.64x = 6,522.10 × 1,425.72
  4. Step 4: Simplify right side
    4,347.64x = 9,298,688.41
  5. Step 5: Solve for x
    x = 9,298,688.41/4,347.64
  6. Step 6: Final answer
    x = 2,138.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.