Home / 8,829.95-13,238.51-4,147.55

Finding the Fourth Proportional to 8,829.95, 13,238.51 and 4,147.55

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Solution

The fourth proportional to 8,829.95, 13,238.51 and 4,147.55 is: 6,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.95 : 13,238.51 = 4,147.55 : x
  2. Step 2: Convert to fraction form
    8,829.95/13,238.51 = 4,147.55/x
  3. Step 3: Cross multiply
    8,829.95x = 13,238.51 × 4,147.55
  4. Step 4: Simplify right side
    8,829.95x = 54,907,382.15
  5. Step 5: Solve for x
    x = 54,907,382.15/8,829.95
  6. Step 6: Final answer
    x = 6,218.31

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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.