Home / 4,417.20-6,625.80-4,125.60

Finding the Fourth Proportional to 4,417.20, 6,625.80 and 4,125.60

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Solution

The fourth proportional to 4,417.20, 6,625.80 and 4,125.60 is: 6,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417.20 : 6,625.80 = 4,125.60 : x
  2. Step 2: Convert to fraction form
    4,417.20/6,625.80 = 4,125.60/x
  3. Step 3: Cross multiply
    4,417.20x = 6,625.80 × 4,125.60
  4. Step 4: Simplify right side
    4,417.20x = 27,335,400.48
  5. Step 5: Solve for x
    x = 27,335,400.48/4,417.20
  6. Step 6: Final answer
    x = 6,188.40

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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.