Home / 6,453.12-9,678.36-2,293.05

Finding the Fourth Proportional to 6,453.12, 9,678.36 and 2,293.05

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Solution

The fourth proportional to 6,453.12, 9,678.36 and 2,293.05 is: 3,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.12 : 9,678.36 = 2,293.05 : x
  2. Step 2: Convert to fraction form
    6,453.12/9,678.36 = 2,293.05/x
  3. Step 3: Cross multiply
    6,453.12x = 9,678.36 × 2,293.05
  4. Step 4: Simplify right side
    6,453.12x = 22,192,963.40
  5. Step 5: Solve for x
    x = 22,192,963.40/6,453.12
  6. Step 6: Final answer
    x = 3,439.11

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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.