Home / 8,534.31-12,798.95-2,986.62

Finding the Fourth Proportional to 8,534.31, 12,798.95 and 2,986.62

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Solution

The fourth proportional to 8,534.31, 12,798.95 and 2,986.62 is: 4,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.31 : 12,798.95 = 2,986.62 : x
  2. Step 2: Convert to fraction form
    8,534.31/12,798.95 = 2,986.62/x
  3. Step 3: Cross multiply
    8,534.31x = 12,798.95 × 2,986.62
  4. Step 4: Simplify right side
    8,534.31x = 38,225,537.12
  5. Step 5: Solve for x
    x = 38,225,537.12/8,534.31
  6. Step 6: Final answer
    x = 4,479.04

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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.