Home / 7,312.68-10,965.66-2,117.34

Finding the Fourth Proportional to 7,312.68, 10,965.66 and 2,117.34

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Solution

The fourth proportional to 7,312.68, 10,965.66 and 2,117.34 is: 3,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.68 : 10,965.66 = 2,117.34 : x
  2. Step 2: Convert to fraction form
    7,312.68/10,965.66 = 2,117.34/x
  3. Step 3: Cross multiply
    7,312.68x = 10,965.66 × 2,117.34
  4. Step 4: Simplify right side
    7,312.68x = 23,218,030.54
  5. Step 5: Solve for x
    x = 23,218,030.54/7,312.68
  6. Step 6: Final answer
    x = 3,175.04

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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.