Home / 7,883.04-11,820.72-4,187.04

Finding the Fourth Proportional to 7,883.04, 11,820.72 and 4,187.04

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Solution

The fourth proportional to 7,883.04, 11,820.72 and 4,187.04 is: 6,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.04 : 11,820.72 = 4,187.04 : x
  2. Step 2: Convert to fraction form
    7,883.04/11,820.72 = 4,187.04/x
  3. Step 3: Cross multiply
    7,883.04x = 11,820.72 × 4,187.04
  4. Step 4: Simplify right side
    7,883.04x = 49,493,827.47
  5. Step 5: Solve for x
    x = 49,493,827.47/7,883.04
  6. Step 6: Final answer
    x = 6,278.52

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1.5x scale

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.