Home / 5,616.81-8,425.18-4,385.25

Finding the Fourth Proportional to 5,616.81, 8,425.18 and 4,385.25

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Solution

The fourth proportional to 5,616.81, 8,425.18 and 4,385.25 is: 6,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.81 : 8,425.18 = 4,385.25 : x
  2. Step 2: Convert to fraction form
    5,616.81/8,425.18 = 4,385.25/x
  3. Step 3: Cross multiply
    5,616.81x = 8,425.18 × 4,385.25
  4. Step 4: Simplify right side
    5,616.81x = 36,946,498.67
  5. Step 5: Solve for x
    x = 36,946,498.67/5,616.81
  6. Step 6: Final answer
    x = 6,577.84

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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.