Home / 9,402.56-12,975.76-5,211.04

Finding the Fourth Proportional to 9,402.56, 12,975.76 and 5,211.04

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Solution

The fourth proportional to 9,402.56, 12,975.76 and 5,211.04 is: 7,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.56 : 12,975.76 = 5,211.04 : x
  2. Step 2: Convert to fraction form
    9,402.56/12,975.76 = 5,211.04/x
  3. Step 3: Cross multiply
    9,402.56x = 12,975.76 × 5,211.04
  4. Step 4: Simplify right side
    9,402.56x = 67,617,204.39
  5. Step 5: Solve for x
    x = 67,617,204.39/9,402.56
  6. Step 6: Final answer
    x = 7,191.36

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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.