Home / 6,454.48-9,680.60-1,837.84

Finding the Fourth Proportional to 6,454.48, 9,680.60 and 1,837.84

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Solution

The fourth proportional to 6,454.48, 9,680.60 and 1,837.84 is: 2,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.48 : 9,680.60 = 1,837.84 : x
  2. Step 2: Convert to fraction form
    6,454.48/9,680.60 = 1,837.84/x
  3. Step 3: Cross multiply
    6,454.48x = 9,680.60 × 1,837.84
  4. Step 4: Simplify right side
    6,454.48x = 17,791,393.90
  5. Step 5: Solve for x
    x = 17,791,393.90/6,454.48
  6. Step 6: Final answer
    x = 2,756.44

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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.