Home / 4,888.30-7,333.02-2,115.66

Finding the Fourth Proportional to 4,888.30, 7,333.02 and 2,115.66

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Solution

The fourth proportional to 4,888.30, 7,333.02 and 2,115.66 is: 3,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.30 : 7,333.02 = 2,115.66 : x
  2. Step 2: Convert to fraction form
    4,888.30/7,333.02 = 2,115.66/x
  3. Step 3: Cross multiply
    4,888.30x = 7,333.02 × 2,115.66
  4. Step 4: Simplify right side
    4,888.30x = 15,514,177.09
  5. Step 5: Solve for x
    x = 15,514,177.09/4,888.30
  6. Step 6: Final answer
    x = 3,173.74

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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.