Home / 8,858.30-12,223.19-5,081.63

Finding the Fourth Proportional to 8,858.30, 12,223.19 and 5,081.63

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Solution

The fourth proportional to 8,858.30, 12,223.19 and 5,081.63 is: 7,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.30 : 12,223.19 = 5,081.63 : x
  2. Step 2: Convert to fraction form
    8,858.30/12,223.19 = 5,081.63/x
  3. Step 3: Cross multiply
    8,858.30x = 12,223.19 × 5,081.63
  4. Step 4: Simplify right side
    8,858.30x = 62,113,642.48
  5. Step 5: Solve for x
    x = 62,113,642.48/8,858.30
  6. Step 6: Final answer
    x = 7,011.92

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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.