Home / 8,775.06-12,107.92-5,238.60

Finding the Fourth Proportional to 8,775.06, 12,107.92 and 5,238.60

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Solution

The fourth proportional to 8,775.06, 12,107.92 and 5,238.60 is: 7,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.06 : 12,107.92 = 5,238.60 : x
  2. Step 2: Convert to fraction form
    8,775.06/12,107.92 = 5,238.60/x
  3. Step 3: Cross multiply
    8,775.06x = 12,107.92 × 5,238.60
  4. Step 4: Simplify right side
    8,775.06x = 63,428,549.71
  5. Step 5: Solve for x
    x = 63,428,549.71/8,775.06
  6. Step 6: Final answer
    x = 7,228.28

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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.