Home / 7,276.57-10,041.44-4,089.79

Finding the Fourth Proportional to 7,276.57, 10,041.44 and 4,089.79

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Solution

The fourth proportional to 7,276.57, 10,041.44 and 4,089.79 is: 5,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.57 : 10,041.44 = 4,089.79 : x
  2. Step 2: Convert to fraction form
    7,276.57/10,041.44 = 4,089.79/x
  3. Step 3: Cross multiply
    7,276.57x = 10,041.44 × 4,089.79
  4. Step 4: Simplify right side
    7,276.57x = 41,067,373.00
  5. Step 5: Solve for x
    x = 41,067,373.00/7,276.57
  6. Step 6: Final answer
    x = 5,643.78

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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.