Home / 7,660.19-10,575.49-5,012.21

Finding the Fourth Proportional to 7,660.19, 10,575.49 and 5,012.21

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Solution

The fourth proportional to 7,660.19, 10,575.49 and 5,012.21 is: 6,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.19 : 10,575.49 = 5,012.21 : x
  2. Step 2: Convert to fraction form
    7,660.19/10,575.49 = 5,012.21/x
  3. Step 3: Cross multiply
    7,660.19x = 10,575.49 × 5,012.21
  4. Step 4: Simplify right side
    7,660.19x = 53,006,600.04
  5. Step 5: Solve for x
    x = 53,006,600.04/7,660.19
  6. Step 6: Final answer
    x = 6,919.75

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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.