Home / 8,826.31-13,219.31-4,212.55

Finding the Fourth Proportional to 8,826.31, 13,219.31 and 4,212.55

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Solution

The fourth proportional to 8,826.31, 13,219.31 and 4,212.55 is: 6,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.31 : 13,219.31 = 4,212.55 : x
  2. Step 2: Convert to fraction form
    8,826.31/13,219.31 = 4,212.55/x
  3. Step 3: Cross multiply
    8,826.31x = 13,219.31 × 4,212.55
  4. Step 4: Simplify right side
    8,826.31x = 55,686,983.28
  5. Step 5: Solve for x
    x = 55,686,983.28/8,826.31
  6. Step 6: Final answer
    x = 6,309.20

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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.