Home / 4,481.31-6,719.52-3,438.72

Finding the Fourth Proportional to 4,481.31, 6,719.52 and 3,438.72

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Solution

The fourth proportional to 4,481.31, 6,719.52 and 3,438.72 is: 5,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.31 : 6,719.52 = 3,438.72 : x
  2. Step 2: Convert to fraction form
    4,481.31/6,719.52 = 3,438.72/x
  3. Step 3: Cross multiply
    4,481.31x = 6,719.52 × 3,438.72
  4. Step 4: Simplify right side
    4,481.31x = 23,106,547.81
  5. Step 5: Solve for x
    x = 23,106,547.81/4,481.31
  6. Step 6: Final answer
    x = 5,156.20

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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.