Home / 6,868.68-9,484.55-5,108.15

Finding the Fourth Proportional to 6,868.68, 9,484.55 and 5,108.15

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Solution

The fourth proportional to 6,868.68, 9,484.55 and 5,108.15 is: 7,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.68 : 9,484.55 = 5,108.15 : x
  2. Step 2: Convert to fraction form
    6,868.68/9,484.55 = 5,108.15/x
  3. Step 3: Cross multiply
    6,868.68x = 9,484.55 × 5,108.15
  4. Step 4: Simplify right side
    6,868.68x = 48,448,431.12
  5. Step 5: Solve for x
    x = 48,448,431.12/6,868.68
  6. Step 6: Final answer
    x = 7,053.53

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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.