Home / 4,341.31-6,512.31-1,221.58

Finding the Fourth Proportional to 4,341.31, 6,512.31 and 1,221.58

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Solution

The fourth proportional to 4,341.31, 6,512.31 and 1,221.58 is: 1,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.31 : 6,512.31 = 1,221.58 : x
  2. Step 2: Convert to fraction form
    4,341.31/6,512.31 = 1,221.58/x
  3. Step 3: Cross multiply
    4,341.31x = 6,512.31 × 1,221.58
  4. Step 4: Simplify right side
    4,341.31x = 7,955,307.65
  5. Step 5: Solve for x
    x = 7,955,307.65/4,341.31
  6. Step 6: Final answer
    x = 1,832.47

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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.