Home / 7,753.47-10,699.35-4,216.68

Finding the Fourth Proportional to 7,753.47, 10,699.35 and 4,216.68

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Solution

The fourth proportional to 7,753.47, 10,699.35 and 4,216.68 is: 5,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.47 : 10,699.35 = 4,216.68 : x
  2. Step 2: Convert to fraction form
    7,753.47/10,699.35 = 4,216.68/x
  3. Step 3: Cross multiply
    7,753.47x = 10,699.35 × 4,216.68
  4. Step 4: Simplify right side
    7,753.47x = 45,115,735.16
  5. Step 5: Solve for x
    x = 45,115,735.16/7,753.47
  6. Step 6: Final answer
    x = 5,818.78

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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.