Home / 9,211.55-12,711.53-5,233.64

Finding the Fourth Proportional to 9,211.55, 12,711.53 and 5,233.64

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Solution

The fourth proportional to 9,211.55, 12,711.53 and 5,233.64 is: 7,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.55 : 12,711.53 = 5,233.64 : x
  2. Step 2: Convert to fraction form
    9,211.55/12,711.53 = 5,233.64/x
  3. Step 3: Cross multiply
    9,211.55x = 12,711.53 × 5,233.64
  4. Step 4: Simplify right side
    9,211.55x = 66,527,521.40
  5. Step 5: Solve for x
    x = 66,527,521.40/9,211.55
  6. Step 6: Final answer
    x = 7,222.19

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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.