Home / 4,680.45-7,020.66-3,215.16

Finding the Fourth Proportional to 4,680.45, 7,020.66 and 3,215.16

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Solution

The fourth proportional to 4,680.45, 7,020.66 and 3,215.16 is: 4,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.45 : 7,020.66 = 3,215.16 : x
  2. Step 2: Convert to fraction form
    4,680.45/7,020.66 = 3,215.16/x
  3. Step 3: Cross multiply
    4,680.45x = 7,020.66 × 3,215.16
  4. Step 4: Simplify right side
    4,680.45x = 22,572,545.21
  5. Step 5: Solve for x
    x = 22,572,545.21/4,680.45
  6. Step 6: Final answer
    x = 4,822.73

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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.