Home / 6,878.92-10,330.52-5,124.40

Finding the Fourth Proportional to 6,878.92, 10,330.52 and 5,124.40

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Solution

The fourth proportional to 6,878.92, 10,330.52 and 5,124.40 is: 7,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.92 : 10,330.52 = 5,124.40 : x
  2. Step 2: Convert to fraction form
    6,878.92/10,330.52 = 5,124.40/x
  3. Step 3: Cross multiply
    6,878.92x = 10,330.52 × 5,124.40
  4. Step 4: Simplify right side
    6,878.92x = 52,937,716.69
  5. Step 5: Solve for x
    x = 52,937,716.69/6,878.92
  6. Step 6: Final answer
    x = 7,695.64

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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.