Home / 8,899.47-13,349.32-2,658.06

Finding the Fourth Proportional to 8,899.47, 13,349.32 and 2,658.06

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Solution

The fourth proportional to 8,899.47, 13,349.32 and 2,658.06 is: 3,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.47 : 13,349.32 = 2,658.06 : x
  2. Step 2: Convert to fraction form
    8,899.47/13,349.32 = 2,658.06/x
  3. Step 3: Cross multiply
    8,899.47x = 13,349.32 × 2,658.06
  4. Step 4: Simplify right side
    8,899.47x = 35,483,286.87
  5. Step 5: Solve for x
    x = 35,483,286.87/8,899.47
  6. Step 6: Final answer
    x = 3,987.12

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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.