Home / 8,828.12-12,182.87-4,849.13

Finding the Fourth Proportional to 8,828.12, 12,182.87 and 4,849.13

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Solution

The fourth proportional to 8,828.12, 12,182.87 and 4,849.13 is: 6,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.12 : 12,182.87 = 4,849.13 : x
  2. Step 2: Convert to fraction form
    8,828.12/12,182.87 = 4,849.13/x
  3. Step 3: Cross multiply
    8,828.12x = 12,182.87 × 4,849.13
  4. Step 4: Simplify right side
    8,828.12x = 59,076,362.98
  5. Step 5: Solve for x
    x = 59,076,362.98/8,828.12
  6. Step 6: Final answer
    x = 6,691.84

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1.5x scale

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.