Home / 8,812.90-13,218.45-2,969.56

Finding the Fourth Proportional to 8,812.90, 13,218.45 and 2,969.56

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Solution

The fourth proportional to 8,812.90, 13,218.45 and 2,969.56 is: 4,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.90 : 13,218.45 = 2,969.56 : x
  2. Step 2: Convert to fraction form
    8,812.90/13,218.45 = 2,969.56/x
  3. Step 3: Cross multiply
    8,812.90x = 13,218.45 × 2,969.56
  4. Step 4: Simplify right side
    8,812.90x = 39,252,980.38
  5. Step 5: Solve for x
    x = 39,252,980.38/8,812.90
  6. Step 6: Final answer
    x = 4,454.04

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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.