Home / 7,590.28-11,389.29-5,119.92

Finding the Fourth Proportional to 7,590.28, 11,389.29 and 5,119.92

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Solution

The fourth proportional to 7,590.28, 11,389.29 and 5,119.92 is: 7,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.28 : 11,389.29 = 5,119.92 : x
  2. Step 2: Convert to fraction form
    7,590.28/11,389.29 = 5,119.92/x
  3. Step 3: Cross multiply
    7,590.28x = 11,389.29 × 5,119.92
  4. Step 4: Simplify right side
    7,590.28x = 58,312,267.89
  5. Step 5: Solve for x
    x = 58,312,267.89/7,590.28
  6. Step 6: Final answer
    x = 7,682.49

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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.