Home / 6,531.55-9,013.70-3,698.93

Finding the Fourth Proportional to 6,531.55, 9,013.70 and 3,698.93

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Solution

The fourth proportional to 6,531.55, 9,013.70 and 3,698.93 is: 5,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.55 : 9,013.70 = 3,698.93 : x
  2. Step 2: Convert to fraction form
    6,531.55/9,013.70 = 3,698.93/x
  3. Step 3: Cross multiply
    6,531.55x = 9,013.70 × 3,698.93
  4. Step 4: Simplify right side
    6,531.55x = 33,341,077.12
  5. Step 5: Solve for x
    x = 33,341,077.12/6,531.55
  6. Step 6: Final answer
    x = 5,104.62

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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.