Home / 6,865.48-10,299.03-5,145.04

Finding the Fourth Proportional to 6,865.48, 10,299.03 and 5,145.04

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Solution

The fourth proportional to 6,865.48, 10,299.03 and 5,145.04 is: 7,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.48 : 10,299.03 = 5,145.04 : x
  2. Step 2: Convert to fraction form
    6,865.48/10,299.03 = 5,145.04/x
  3. Step 3: Cross multiply
    6,865.48x = 10,299.03 × 5,145.04
  4. Step 4: Simplify right side
    6,865.48x = 52,988,921.31
  5. Step 5: Solve for x
    x = 52,988,921.31/6,865.48
  6. Step 6: Final answer
    x = 7,718.17

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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.