Home / 5,625.12-8,402.61-4,167.12

Finding the Fourth Proportional to 5,625.12, 8,402.61 and 4,167.12

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Solution

The fourth proportional to 5,625.12, 8,402.61 and 4,167.12 is: 6,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.12 : 8,402.61 = 4,167.12 : x
  2. Step 2: Convert to fraction form
    5,625.12/8,402.61 = 4,167.12/x
  3. Step 3: Cross multiply
    5,625.12x = 8,402.61 × 4,167.12
  4. Step 4: Simplify right side
    5,625.12x = 35,014,684.18
  5. Step 5: Solve for x
    x = 35,014,684.18/5,625.12
  6. Step 6: Final answer
    x = 6,224.70

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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.