Home / 4,627.12-6,385.64-2,531.40

Finding the Fourth Proportional to 4,627.12, 6,385.64 and 2,531.40

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Solution

The fourth proportional to 4,627.12, 6,385.64 and 2,531.40 is: 3,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.12 : 6,385.64 = 2,531.40 : x
  2. Step 2: Convert to fraction form
    4,627.12/6,385.64 = 2,531.40/x
  3. Step 3: Cross multiply
    4,627.12x = 6,385.64 × 2,531.40
  4. Step 4: Simplify right side
    4,627.12x = 16,164,609.10
  5. Step 5: Solve for x
    x = 16,164,609.10/4,627.12
  6. Step 6: Final answer
    x = 3,493.45

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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.