Home / 5,080.32-7,010.15-2,955.69

Finding the Fourth Proportional to 5,080.32, 7,010.15 and 2,955.69

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Solution

The fourth proportional to 5,080.32, 7,010.15 and 2,955.69 is: 4,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.32 : 7,010.15 = 2,955.69 : x
  2. Step 2: Convert to fraction form
    5,080.32/7,010.15 = 2,955.69/x
  3. Step 3: Cross multiply
    5,080.32x = 7,010.15 × 2,955.69
  4. Step 4: Simplify right side
    5,080.32x = 20,719,815.48
  5. Step 5: Solve for x
    x = 20,719,815.48/5,080.32
  6. Step 6: Final answer
    x = 4,078.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.