Home / 7,885.67-11,818.77-4,375.52

Finding the Fourth Proportional to 7,885.67, 11,818.77 and 4,375.52

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Solution

The fourth proportional to 7,885.67, 11,818.77 and 4,375.52 is: 6,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.67 : 11,818.77 = 4,375.52 : x
  2. Step 2: Convert to fraction form
    7,885.67/11,818.77 = 4,375.52/x
  3. Step 3: Cross multiply
    7,885.67x = 11,818.77 × 4,375.52
  4. Step 4: Simplify right side
    7,885.67x = 51,713,264.51
  5. Step 5: Solve for x
    x = 51,713,264.51/7,885.67
  6. Step 6: Final answer
    x = 6,557.88

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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.