Home / 6,455.13-9,685.56-2,759.70

Finding the Fourth Proportional to 6,455.13, 9,685.56 and 2,759.70

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Solution

The fourth proportional to 6,455.13, 9,685.56 and 2,759.70 is: 4,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.13 : 9,685.56 = 2,759.70 : x
  2. Step 2: Convert to fraction form
    6,455.13/9,685.56 = 2,759.70/x
  3. Step 3: Cross multiply
    6,455.13x = 9,685.56 × 2,759.70
  4. Step 4: Simplify right side
    6,455.13x = 26,729,239.93
  5. Step 5: Solve for x
    x = 26,729,239.93/6,455.13
  6. Step 6: Final answer
    x = 4,140.77

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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.