Home / 8,826.12-12,180-4,847.30

Finding the Fourth Proportional to 8,826.12, 12,180 and 4,847.30

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Solution

The fourth proportional to 8,826.12, 12,180 and 4,847.30 is: 6,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.12 : 12,180 = 4,847.30 : x
  2. Step 2: Convert to fraction form
    8,826.12/12,180 = 4,847.30/x
  3. Step 3: Cross multiply
    8,826.12x = 12,180 × 4,847.30
  4. Step 4: Simplify right side
    8,826.12x = 59,040,114
  5. Step 5: Solve for x
    x = 59,040,114/8,826.12
  6. Step 6: Final answer
    x = 6,689.25

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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.