Home / 4,065.31-5,609.78-2,386.54

Finding the Fourth Proportional to 4,065.31, 5,609.78 and 2,386.54

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Solution

The fourth proportional to 4,065.31, 5,609.78 and 2,386.54 is: 3,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.31 : 5,609.78 = 2,386.54 : x
  2. Step 2: Convert to fraction form
    4,065.31/5,609.78 = 2,386.54/x
  3. Step 3: Cross multiply
    4,065.31x = 5,609.78 × 2,386.54
  4. Step 4: Simplify right side
    4,065.31x = 13,387,964.36
  5. Step 5: Solve for x
    x = 13,387,964.36/4,065.31
  6. Step 6: Final answer
    x = 3,293.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.