Home / 8,823.46-13,235.22-2,980.12

Finding the Fourth Proportional to 8,823.46, 13,235.22 and 2,980.12

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Solution

The fourth proportional to 8,823.46, 13,235.22 and 2,980.12 is: 4,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.46 : 13,235.22 = 2,980.12 : x
  2. Step 2: Convert to fraction form
    8,823.46/13,235.22 = 2,980.12/x
  3. Step 3: Cross multiply
    8,823.46x = 13,235.22 × 2,980.12
  4. Step 4: Simplify right side
    8,823.46x = 39,442,543.83
  5. Step 5: Solve for x
    x = 39,442,543.83/8,823.46
  6. Step 6: Final answer
    x = 4,470.19

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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.