Home / 8,200.15-11,319.13-4,842.98

Finding the Fourth Proportional to 8,200.15, 11,319.13 and 4,842.98

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Solution

The fourth proportional to 8,200.15, 11,319.13 and 4,842.98 is: 6,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.15 : 11,319.13 = 4,842.98 : x
  2. Step 2: Convert to fraction form
    8,200.15/11,319.13 = 4,842.98/x
  3. Step 3: Cross multiply
    8,200.15x = 11,319.13 × 4,842.98
  4. Step 4: Simplify right side
    8,200.15x = 54,818,239.40
  5. Step 5: Solve for x
    x = 54,818,239.40/8,200.15
  6. Step 6: Final answer
    x = 6,685.03

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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.