Home / 6,507.26-8,980.14-3,853.70

Finding the Fourth Proportional to 6,507.26, 8,980.14 and 3,853.70

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Solution

The fourth proportional to 6,507.26, 8,980.14 and 3,853.70 is: 5,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.26 : 8,980.14 = 3,853.70 : x
  2. Step 2: Convert to fraction form
    6,507.26/8,980.14 = 3,853.70/x
  3. Step 3: Cross multiply
    6,507.26x = 8,980.14 × 3,853.70
  4. Step 4: Simplify right side
    6,507.26x = 34,606,765.52
  5. Step 5: Solve for x
    x = 34,606,765.52/6,507.26
  6. Step 6: Final answer
    x = 5,318.18

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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.