Home / 7,404.20-10,214.88-4,751.20

Finding the Fourth Proportional to 7,404.20, 10,214.88 and 4,751.20

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Solution

The fourth proportional to 7,404.20, 10,214.88 and 4,751.20 is: 6,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.20 : 10,214.88 = 4,751.20 : x
  2. Step 2: Convert to fraction form
    7,404.20/10,214.88 = 4,751.20/x
  3. Step 3: Cross multiply
    7,404.20x = 10,214.88 × 4,751.20
  4. Step 4: Simplify right side
    7,404.20x = 48,532,937.86
  5. Step 5: Solve for x
    x = 48,532,937.86/7,404.20
  6. Step 6: Final answer
    x = 6,554.78

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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.