Home / 8,589.09-12,864.60-6,600.08

Finding the Fourth Proportional to 8,589.09, 12,864.60 and 6,600.08

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Solution

The fourth proportional to 8,589.09, 12,864.60 and 6,600.08 is: 9,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.09 : 12,864.60 = 6,600.08 : x
  2. Step 2: Convert to fraction form
    8,589.09/12,864.60 = 6,600.08/x
  3. Step 3: Cross multiply
    8,589.09x = 12,864.60 × 6,600.08
  4. Step 4: Simplify right side
    8,589.09x = 84,907,389.17
  5. Step 5: Solve for x
    x = 84,907,389.17/8,589.09
  6. Step 6: Final answer
    x = 9,885.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.