Home / 8,526.60-11,760.69-4,990.51

Finding the Fourth Proportional to 8,526.60, 11,760.69 and 4,990.51

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Solution

The fourth proportional to 8,526.60, 11,760.69 and 4,990.51 is: 6,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.60 : 11,760.69 = 4,990.51 : x
  2. Step 2: Convert to fraction form
    8,526.60/11,760.69 = 4,990.51/x
  3. Step 3: Cross multiply
    8,526.60x = 11,760.69 × 4,990.51
  4. Step 4: Simplify right side
    8,526.60x = 58,691,874.47
  5. Step 5: Solve for x
    x = 58,691,874.47/8,526.60
  6. Step 6: Final answer
    x = 6,883.39

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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.