Home / 7,080.50-10,619.55-2,148.95

Finding the Fourth Proportional to 7,080.50, 10,619.55 and 2,148.95

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Solution

The fourth proportional to 7,080.50, 10,619.55 and 2,148.95 is: 3,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.50 : 10,619.55 = 2,148.95 : x
  2. Step 2: Convert to fraction form
    7,080.50/10,619.55 = 2,148.95/x
  3. Step 3: Cross multiply
    7,080.50x = 10,619.55 × 2,148.95
  4. Step 4: Simplify right side
    7,080.50x = 22,820,881.97
  5. Step 5: Solve for x
    x = 22,820,881.97/7,080.50
  6. Step 6: Final answer
    x = 3,223.06

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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.