Home / 7,570.97-11,281.20-6,742.87

Finding the Fourth Proportional to 7,570.97, 11,281.20 and 6,742.87

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Solution

The fourth proportional to 7,570.97, 11,281.20 and 6,742.87 is: 10,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.97 : 11,281.20 = 6,742.87 : x
  2. Step 2: Convert to fraction form
    7,570.97/11,281.20 = 6,742.87/x
  3. Step 3: Cross multiply
    7,570.97x = 11,281.20 × 6,742.87
  4. Step 4: Simplify right side
    7,570.97x = 76,067,662.25
  5. Step 5: Solve for x
    x = 76,067,662.25/7,570.97
  6. Step 6: Final answer
    x = 10,047.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.