Home / 7,119.03-10,678.41-4,177.92

Finding the Fourth Proportional to 7,119.03, 10,678.41 and 4,177.92

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Solution

The fourth proportional to 7,119.03, 10,678.41 and 4,177.92 is: 6,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.03 : 10,678.41 = 4,177.92 : x
  2. Step 2: Convert to fraction form
    7,119.03/10,678.41 = 4,177.92/x
  3. Step 3: Cross multiply
    7,119.03x = 10,678.41 × 4,177.92
  4. Step 4: Simplify right side
    7,119.03x = 44,613,542.71
  5. Step 5: Solve for x
    x = 44,613,542.71/7,119.03
  6. Step 6: Final answer
    x = 6,266.80

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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.