Home / 8,262.60-11,403.18-4,725.12

Finding the Fourth Proportional to 8,262.60, 11,403.18 and 4,725.12

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Solution

The fourth proportional to 8,262.60, 11,403.18 and 4,725.12 is: 6,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.60 : 11,403.18 = 4,725.12 : x
  2. Step 2: Convert to fraction form
    8,262.60/11,403.18 = 4,725.12/x
  3. Step 3: Cross multiply
    8,262.60x = 11,403.18 × 4,725.12
  4. Step 4: Simplify right side
    8,262.60x = 53,881,393.88
  5. Step 5: Solve for x
    x = 53,881,393.88/8,262.60
  6. Step 6: Final answer
    x = 6,521.12

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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.