Home / 9,397.79-12,963.26-6,211.12

Finding the Fourth Proportional to 9,397.79, 12,963.26 and 6,211.12

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Solution

The fourth proportional to 9,397.79, 12,963.26 and 6,211.12 is: 8,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.79 : 12,963.26 = 6,211.12 : x
  2. Step 2: Convert to fraction form
    9,397.79/12,963.26 = 6,211.12/x
  3. Step 3: Cross multiply
    9,397.79x = 12,963.26 × 6,211.12
  4. Step 4: Simplify right side
    9,397.79x = 80,516,267.58
  5. Step 5: Solve for x
    x = 80,516,267.58/9,397.79
  6. Step 6: Final answer
    x = 8,567.57

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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.