Home / 7,161.82-9,886.74-4,510.66

Finding the Fourth Proportional to 7,161.82, 9,886.74 and 4,510.66

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Solution

The fourth proportional to 7,161.82, 9,886.74 and 4,510.66 is: 6,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.82 : 9,886.74 = 4,510.66 : x
  2. Step 2: Convert to fraction form
    7,161.82/9,886.74 = 4,510.66/x
  3. Step 3: Cross multiply
    7,161.82x = 9,886.74 × 4,510.66
  4. Step 4: Simplify right side
    7,161.82x = 44,595,722.65
  5. Step 5: Solve for x
    x = 44,595,722.65/7,161.82
  6. Step 6: Final answer
    x = 6,226.87

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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.