Home / 7,767.50-10,719.96-4,411.22

Finding the Fourth Proportional to 7,767.50, 10,719.96 and 4,411.22

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Solution

The fourth proportional to 7,767.50, 10,719.96 and 4,411.22 is: 6,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.50 : 10,719.96 = 4,411.22 : x
  2. Step 2: Convert to fraction form
    7,767.50/10,719.96 = 4,411.22/x
  3. Step 3: Cross multiply
    7,767.50x = 10,719.96 × 4,411.22
  4. Step 4: Simplify right side
    7,767.50x = 47,288,101.95
  5. Step 5: Solve for x
    x = 47,288,101.95/7,767.50
  6. Step 6: Final answer
    x = 6,087.94

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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.