Home / 5,081.19-7,011.95-2,957.10

Finding the Fourth Proportional to 5,081.19, 7,011.95 and 2,957.10

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Solution

The fourth proportional to 5,081.19, 7,011.95 and 2,957.10 is: 4,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.19 : 7,011.95 = 2,957.10 : x
  2. Step 2: Convert to fraction form
    5,081.19/7,011.95 = 2,957.10/x
  3. Step 3: Cross multiply
    5,081.19x = 7,011.95 × 2,957.10
  4. Step 4: Simplify right side
    5,081.19x = 20,735,022.56
  5. Step 5: Solve for x
    x = 20,735,022.56/5,081.19
  6. Step 6: Final answer
    x = 4,080.74

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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.