Home / 8,807.07-13,213.04-2,967.78

Finding the Fourth Proportional to 8,807.07, 13,213.04 and 2,967.78

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Solution

The fourth proportional to 8,807.07, 13,213.04 and 2,967.78 is: 4,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.07 : 13,213.04 = 2,967.78 : x
  2. Step 2: Convert to fraction form
    8,807.07/13,213.04 = 2,967.78/x
  3. Step 3: Cross multiply
    8,807.07x = 13,213.04 × 2,967.78
  4. Step 4: Simplify right side
    8,807.07x = 39,213,381.01
  5. Step 5: Solve for x
    x = 39,213,381.01/8,807.07
  6. Step 6: Final answer
    x = 4,452.49

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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.