Home / 8,426.60-11,613.20-6,753.54

Finding the Fourth Proportional to 8,426.60, 11,613.20 and 6,753.54

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Solution

The fourth proportional to 8,426.60, 11,613.20 and 6,753.54 is: 9,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.60 : 11,613.20 = 6,753.54 : x
  2. Step 2: Convert to fraction form
    8,426.60/11,613.20 = 6,753.54/x
  3. Step 3: Cross multiply
    8,426.60x = 11,613.20 × 6,753.54
  4. Step 4: Simplify right side
    8,426.60x = 78,430,176.96
  5. Step 5: Solve for x
    x = 78,430,176.96/8,426.60
  6. Step 6: Final answer
    x = 9,307.46

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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.