Home / 4,159.56-6,239.40-1,081.56

Finding the Fourth Proportional to 4,159.56, 6,239.40 and 1,081.56

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Solution

The fourth proportional to 4,159.56, 6,239.40 and 1,081.56 is: 1,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.56 : 6,239.40 = 1,081.56 : x
  2. Step 2: Convert to fraction form
    4,159.56/6,239.40 = 1,081.56/x
  3. Step 3: Cross multiply
    4,159.56x = 6,239.40 × 1,081.56
  4. Step 4: Simplify right side
    4,159.56x = 6,748,285.46
  5. Step 5: Solve for x
    x = 6,748,285.46/4,159.56
  6. Step 6: Final answer
    x = 1,622.36

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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.