Home / 4,345.78-6,517.38-1,225.56

Finding the Fourth Proportional to 4,345.78, 6,517.38 and 1,225.56

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Solution

The fourth proportional to 4,345.78, 6,517.38 and 1,225.56 is: 1,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.78 : 6,517.38 = 1,225.56 : x
  2. Step 2: Convert to fraction form
    4,345.78/6,517.38 = 1,225.56/x
  3. Step 3: Cross multiply
    4,345.78x = 6,517.38 × 1,225.56
  4. Step 4: Simplify right side
    4,345.78x = 7,987,440.23
  5. Step 5: Solve for x
    x = 7,987,440.23/4,345.78
  6. Step 6: Final answer
    x = 1,837.98

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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.