Home / 7,412.38-10,230.02-4,429.86

Finding the Fourth Proportional to 7,412.38, 10,230.02 and 4,429.86

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Solution

The fourth proportional to 7,412.38, 10,230.02 and 4,429.86 is: 6,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.38 : 10,230.02 = 4,429.86 : x
  2. Step 2: Convert to fraction form
    7,412.38/10,230.02 = 4,429.86/x
  3. Step 3: Cross multiply
    7,412.38x = 10,230.02 × 4,429.86
  4. Step 4: Simplify right side
    7,412.38x = 45,317,556.40
  5. Step 5: Solve for x
    x = 45,317,556.40/7,412.38
  6. Step 6: Final answer
    x = 6,113.77

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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.