Home / 6,281.17-8,669.57-3,630.11

Finding the Fourth Proportional to 6,281.17, 8,669.57 and 3,630.11

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Solution

The fourth proportional to 6,281.17, 8,669.57 and 3,630.11 is: 5,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.17 : 8,669.57 = 3,630.11 : x
  2. Step 2: Convert to fraction form
    6,281.17/8,669.57 = 3,630.11/x
  3. Step 3: Cross multiply
    6,281.17x = 8,669.57 × 3,630.11
  4. Step 4: Simplify right side
    6,281.17x = 31,471,492.75
  5. Step 5: Solve for x
    x = 31,471,492.75/6,281.17
  6. Step 6: Final answer
    x = 5,010.45

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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.