Home / 7,753.09-10,699.55-4,216.57

Finding the Fourth Proportional to 7,753.09, 10,699.55 and 4,216.57

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Solution

The fourth proportional to 7,753.09, 10,699.55 and 4,216.57 is: 5,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.09 : 10,699.55 = 4,216.57 : x
  2. Step 2: Convert to fraction form
    7,753.09/10,699.55 = 4,216.57/x
  3. Step 3: Cross multiply
    7,753.09x = 10,699.55 × 4,216.57
  4. Step 4: Simplify right side
    7,753.09x = 45,115,401.54
  5. Step 5: Solve for x
    x = 45,115,401.54/7,753.09
  6. Step 6: Final answer
    x = 5,819.02

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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.