Home / 8,694.04-13,041.02-2,120.28

Finding the Fourth Proportional to 8,694.04, 13,041.02 and 2,120.28

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Solution

The fourth proportional to 8,694.04, 13,041.02 and 2,120.28 is: 3,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.04 : 13,041.02 = 2,120.28 : x
  2. Step 2: Convert to fraction form
    8,694.04/13,041.02 = 2,120.28/x
  3. Step 3: Cross multiply
    8,694.04x = 13,041.02 × 2,120.28
  4. Step 4: Simplify right side
    8,694.04x = 27,650,613.89
  5. Step 5: Solve for x
    x = 27,650,613.89/8,694.04
  6. Step 6: Final answer
    x = 3,180.41

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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.