Home / 8,927.87-13,387.47-2,686.72

Finding the Fourth Proportional to 8,927.87, 13,387.47 and 2,686.72

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Solution

The fourth proportional to 8,927.87, 13,387.47 and 2,686.72 is: 4,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.87 : 13,387.47 = 2,686.72 : x
  2. Step 2: Convert to fraction form
    8,927.87/13,387.47 = 2,686.72/x
  3. Step 3: Cross multiply
    8,927.87x = 13,387.47 × 2,686.72
  4. Step 4: Simplify right side
    8,927.87x = 35,968,360.00
  5. Step 5: Solve for x
    x = 35,968,360.00/8,927.87
  6. Step 6: Final answer
    x = 4,028.77

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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.