Home / 7,572.99-11,358.67-2,642.72

Finding the Fourth Proportional to 7,572.99, 11,358.67 and 2,642.72

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Solution

The fourth proportional to 7,572.99, 11,358.67 and 2,642.72 is: 3,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.99 : 11,358.67 = 2,642.72 : x
  2. Step 2: Convert to fraction form
    7,572.99/11,358.67 = 2,642.72/x
  3. Step 3: Cross multiply
    7,572.99x = 11,358.67 × 2,642.72
  4. Step 4: Simplify right side
    7,572.99x = 30,017,797.26
  5. Step 5: Solve for x
    x = 30,017,797.26/7,572.99
  6. Step 6: Final answer
    x = 3,963.80

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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.