Home / 7,763.11-10,712.75-4,226.31

Finding the Fourth Proportional to 7,763.11, 10,712.75 and 4,226.31

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Solution

The fourth proportional to 7,763.11, 10,712.75 and 4,226.31 is: 5,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.11 : 10,712.75 = 4,226.31 : x
  2. Step 2: Convert to fraction form
    7,763.11/10,712.75 = 4,226.31/x
  3. Step 3: Cross multiply
    7,763.11x = 10,712.75 × 4,226.31
  4. Step 4: Simplify right side
    7,763.11x = 45,275,381.32
  5. Step 5: Solve for x
    x = 45,275,381.32/7,763.11
  6. Step 6: Final answer
    x = 5,832.12

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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.