Home / 8,588.90-11,853.38-4,812.91

Finding the Fourth Proportional to 8,588.90, 11,853.38 and 4,812.91

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Solution

The fourth proportional to 8,588.90, 11,853.38 and 4,812.91 is: 6,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.90 : 11,853.38 = 4,812.91 : x
  2. Step 2: Convert to fraction form
    8,588.90/11,853.38 = 4,812.91/x
  3. Step 3: Cross multiply
    8,588.90x = 11,853.38 × 4,812.91
  4. Step 4: Simplify right side
    8,588.90x = 57,049,251.14
  5. Step 5: Solve for x
    x = 57,049,251.14/8,588.90
  6. Step 6: Final answer
    x = 6,642.21

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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.