Home / 8,526.89-11,767.91-4,990.10

Finding the Fourth Proportional to 8,526.89, 11,767.91 and 4,990.10

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Solution

The fourth proportional to 8,526.89, 11,767.91 and 4,990.10 is: 6,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.89 : 11,767.91 = 4,990.10 : x
  2. Step 2: Convert to fraction form
    8,526.89/11,767.91 = 4,990.10/x
  3. Step 3: Cross multiply
    8,526.89x = 11,767.91 × 4,990.10
  4. Step 4: Simplify right side
    8,526.89x = 58,723,052.16
  5. Step 5: Solve for x
    x = 58,723,052.16/8,526.89
  6. Step 6: Final answer
    x = 6,886.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.