Home / 9,104.96-12,561.76-5,125.60

Finding the Fourth Proportional to 9,104.96, 12,561.76 and 5,125.60

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Solution

The fourth proportional to 9,104.96, 12,561.76 and 5,125.60 is: 7,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.96 : 12,561.76 = 5,125.60 : x
  2. Step 2: Convert to fraction form
    9,104.96/12,561.76 = 5,125.60/x
  3. Step 3: Cross multiply
    9,104.96x = 12,561.76 × 5,125.60
  4. Step 4: Simplify right side
    9,104.96x = 64,386,557.06
  5. Step 5: Solve for x
    x = 64,386,557.06/9,104.96
  6. Step 6: Final answer
    x = 7,071.59

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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.