Home / 4,345.76-6,519.31-1,423.39

Finding the Fourth Proportional to 4,345.76, 6,519.31 and 1,423.39

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Solution

The fourth proportional to 4,345.76, 6,519.31 and 1,423.39 is: 2,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.76 : 6,519.31 = 1,423.39 : x
  2. Step 2: Convert to fraction form
    4,345.76/6,519.31 = 1,423.39/x
  3. Step 3: Cross multiply
    4,345.76x = 6,519.31 × 1,423.39
  4. Step 4: Simplify right side
    4,345.76x = 9,279,520.66
  5. Step 5: Solve for x
    x = 9,279,520.66/4,345.76
  6. Step 6: Final answer
    x = 2,135.30

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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.