Home / 4,159.56-6,238.56-1,386.28

Finding the Fourth Proportional to 4,159.56, 6,238.56 and 1,386.28

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Solution

The fourth proportional to 4,159.56, 6,238.56 and 1,386.28 is: 2,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.56 : 6,238.56 = 1,386.28 : x
  2. Step 2: Convert to fraction form
    4,159.56/6,238.56 = 1,386.28/x
  3. Step 3: Cross multiply
    4,159.56x = 6,238.56 × 1,386.28
  4. Step 4: Simplify right side
    4,159.56x = 8,648,390.96
  5. Step 5: Solve for x
    x = 8,648,390.96/4,159.56
  6. Step 6: Final answer
    x = 2,079.16

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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.