Home / 6,719.18-10,077.46-6,385.79

Finding the Fourth Proportional to 6,719.18, 10,077.46 and 6,385.79

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Solution

The fourth proportional to 6,719.18, 10,077.46 and 6,385.79 is: 9,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.18 : 10,077.46 = 6,385.79 : x
  2. Step 2: Convert to fraction form
    6,719.18/10,077.46 = 6,385.79/x
  3. Step 3: Cross multiply
    6,719.18x = 10,077.46 × 6,385.79
  4. Step 4: Simplify right side
    6,719.18x = 64,352,552.52
  5. Step 5: Solve for x
    x = 64,352,552.52/6,719.18
  6. Step 6: Final answer
    x = 9,577.44

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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.