Home / 8,840.22-13,260.51-3,909.66

Finding the Fourth Proportional to 8,840.22, 13,260.51 and 3,909.66

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Solution

The fourth proportional to 8,840.22, 13,260.51 and 3,909.66 is: 5,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.22 : 13,260.51 = 3,909.66 : x
  2. Step 2: Convert to fraction form
    8,840.22/13,260.51 = 3,909.66/x
  3. Step 3: Cross multiply
    8,840.22x = 13,260.51 × 3,909.66
  4. Step 4: Simplify right side
    8,840.22x = 51,844,085.53
  5. Step 5: Solve for x
    x = 51,844,085.53/8,840.22
  6. Step 6: Final answer
    x = 5,864.57

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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.