Home / 7,217.50-10,821.58-4,744.82

Finding the Fourth Proportional to 7,217.50, 10,821.58 and 4,744.82

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Solution

The fourth proportional to 7,217.50, 10,821.58 and 4,744.82 is: 7,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.50 : 10,821.58 = 4,744.82 : x
  2. Step 2: Convert to fraction form
    7,217.50/10,821.58 = 4,744.82/x
  3. Step 3: Cross multiply
    7,217.50x = 10,821.58 × 4,744.82
  4. Step 4: Simplify right side
    7,217.50x = 51,346,449.22
  5. Step 5: Solve for x
    x = 51,346,449.22/7,217.50
  6. Step 6: Final answer
    x = 7,114.16

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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.