Home / 8,859.90-12,226.46-5,085.27

Finding the Fourth Proportional to 8,859.90, 12,226.46 and 5,085.27

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Solution

The fourth proportional to 8,859.90, 12,226.46 and 5,085.27 is: 7,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.90 : 12,226.46 = 5,085.27 : x
  2. Step 2: Convert to fraction form
    8,859.90/12,226.46 = 5,085.27/x
  3. Step 3: Cross multiply
    8,859.90x = 12,226.46 × 5,085.27
  4. Step 4: Simplify right side
    8,859.90x = 62,174,824.82
  5. Step 5: Solve for x
    x = 62,174,824.82/8,859.90
  6. Step 6: Final answer
    x = 7,017.55

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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.