Home / 4,231.13-6,347.48-1,308.74

Finding the Fourth Proportional to 4,231.13, 6,347.48 and 1,308.74

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Solution

The fourth proportional to 4,231.13, 6,347.48 and 1,308.74 is: 1,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.13 : 6,347.48 = 1,308.74 : x
  2. Step 2: Convert to fraction form
    4,231.13/6,347.48 = 1,308.74/x
  3. Step 3: Cross multiply
    4,231.13x = 6,347.48 × 1,308.74
  4. Step 4: Simplify right side
    4,231.13x = 8,307,162.69
  5. Step 5: Solve for x
    x = 8,307,162.69/4,231.13
  6. Step 6: Final answer
    x = 1,963.35

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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.