Home / 6,454.35-9,681.30-1,837.35

Finding the Fourth Proportional to 6,454.35, 9,681.30 and 1,837.35

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Solution

The fourth proportional to 6,454.35, 9,681.30 and 1,837.35 is: 2,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.35 : 9,681.30 = 1,837.35 : x
  2. Step 2: Convert to fraction form
    6,454.35/9,681.30 = 1,837.35/x
  3. Step 3: Cross multiply
    6,454.35x = 9,681.30 × 1,837.35
  4. Step 4: Simplify right side
    6,454.35x = 17,787,936.56
  5. Step 5: Solve for x
    x = 17,787,936.56/6,454.35
  6. Step 6: Final answer
    x = 2,755.96

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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.