Home / 5,387.06-8,077.14-2,574.74

Finding the Fourth Proportional to 5,387.06, 8,077.14 and 2,574.74

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Solution

The fourth proportional to 5,387.06, 8,077.14 and 2,574.74 is: 3,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.06 : 8,077.14 = 2,574.74 : x
  2. Step 2: Convert to fraction form
    5,387.06/8,077.14 = 2,574.74/x
  3. Step 3: Cross multiply
    5,387.06x = 8,077.14 × 2,574.74
  4. Step 4: Simplify right side
    5,387.06x = 20,796,535.44
  5. Step 5: Solve for x
    x = 20,796,535.44/5,387.06
  6. Step 6: Final answer
    x = 3,860.46

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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.