Home / 8,219.32-11,340.18-4,862.52

Finding the Fourth Proportional to 8,219.32, 11,340.18 and 4,862.52

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Solution

The fourth proportional to 8,219.32, 11,340.18 and 4,862.52 is: 6,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.32 : 11,340.18 = 4,862.52 : x
  2. Step 2: Convert to fraction form
    8,219.32/11,340.18 = 4,862.52/x
  3. Step 3: Cross multiply
    8,219.32x = 11,340.18 × 4,862.52
  4. Step 4: Simplify right side
    8,219.32x = 55,141,852.05
  5. Step 5: Solve for x
    x = 55,141,852.05/8,219.32
  6. Step 6: Final answer
    x = 6,708.81

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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.