Home / 9,326.72-13,988.88-2,753.60

Finding the Fourth Proportional to 9,326.72, 13,988.88 and 2,753.60

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Solution

The fourth proportional to 9,326.72, 13,988.88 and 2,753.60 is: 4,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.72 : 13,988.88 = 2,753.60 : x
  2. Step 2: Convert to fraction form
    9,326.72/13,988.88 = 2,753.60/x
  3. Step 3: Cross multiply
    9,326.72x = 13,988.88 × 2,753.60
  4. Step 4: Simplify right side
    9,326.72x = 38,519,779.97
  5. Step 5: Solve for x
    x = 38,519,779.97/9,326.72
  6. Step 6: Final answer
    x = 4,130.05

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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.