Home / 6,507.07-8,980.97-3,712.57

Finding the Fourth Proportional to 6,507.07, 8,980.97 and 3,712.57

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Solution

The fourth proportional to 6,507.07, 8,980.97 and 3,712.57 is: 5,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.07 : 8,980.97 = 3,712.57 : x
  2. Step 2: Convert to fraction form
    6,507.07/8,980.97 = 3,712.57/x
  3. Step 3: Cross multiply
    6,507.07x = 8,980.97 × 3,712.57
  4. Step 4: Simplify right side
    6,507.07x = 33,342,479.79
  5. Step 5: Solve for x
    x = 33,342,479.79/6,507.07
  6. Step 6: Final answer
    x = 5,124.04

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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.