Home / 4,324.40-6,486.56-1,246.40

Finding the Fourth Proportional to 4,324.40, 6,486.56 and 1,246.40

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Solution

The fourth proportional to 4,324.40, 6,486.56 and 1,246.40 is: 1,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.40 : 6,486.56 = 1,246.40 : x
  2. Step 2: Convert to fraction form
    4,324.40/6,486.56 = 1,246.40/x
  3. Step 3: Cross multiply
    4,324.40x = 6,486.56 × 1,246.40
  4. Step 4: Simplify right side
    4,324.40x = 8,084,848.38
  5. Step 5: Solve for x
    x = 8,084,848.38/4,324.40
  6. Step 6: Final answer
    x = 1,869.59

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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.