Home / 8,538.14-12,808.95-4,842.02

Finding the Fourth Proportional to 8,538.14, 12,808.95 and 4,842.02

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Solution

The fourth proportional to 8,538.14, 12,808.95 and 4,842.02 is: 7,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.14 : 12,808.95 = 4,842.02 : x
  2. Step 2: Convert to fraction form
    8,538.14/12,808.95 = 4,842.02/x
  3. Step 3: Cross multiply
    8,538.14x = 12,808.95 × 4,842.02
  4. Step 4: Simplify right side
    8,538.14x = 62,021,192.08
  5. Step 5: Solve for x
    x = 62,021,192.08/8,538.14
  6. Step 6: Final answer
    x = 7,264.02

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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.