Home / 7,514.91-10,358.60-5,919.03

Finding the Fourth Proportional to 7,514.91, 10,358.60 and 5,919.03

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Solution

The fourth proportional to 7,514.91, 10,358.60 and 5,919.03 is: 8,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.91 : 10,358.60 = 5,919.03 : x
  2. Step 2: Convert to fraction form
    7,514.91/10,358.60 = 5,919.03/x
  3. Step 3: Cross multiply
    7,514.91x = 10,358.60 × 5,919.03
  4. Step 4: Simplify right side
    7,514.91x = 61,312,834.56
  5. Step 5: Solve for x
    x = 61,312,834.56/7,514.91
  6. Step 6: Final answer
    x = 8,158.82

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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.