Home / 6,507.40-9,746.70-3,425.80

Finding the Fourth Proportional to 6,507.40, 9,746.70 and 3,425.80

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Solution

The fourth proportional to 6,507.40, 9,746.70 and 3,425.80 is: 5,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.40 : 9,746.70 = 3,425.80 : x
  2. Step 2: Convert to fraction form
    6,507.40/9,746.70 = 3,425.80/x
  3. Step 3: Cross multiply
    6,507.40x = 9,746.70 × 3,425.80
  4. Step 4: Simplify right side
    6,507.40x = 33,390,244.86
  5. Step 5: Solve for x
    x = 33,390,244.86/6,507.40
  6. Step 6: Final answer
    x = 5,131.12

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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.