Home / 4,160.42-6,239.25-1,386.32

Finding the Fourth Proportional to 4,160.42, 6,239.25 and 1,386.32

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Solution

The fourth proportional to 4,160.42, 6,239.25 and 1,386.32 is: 2,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.42 : 6,239.25 = 1,386.32 : x
  2. Step 2: Convert to fraction form
    4,160.42/6,239.25 = 1,386.32/x
  3. Step 3: Cross multiply
    4,160.42x = 6,239.25 × 1,386.32
  4. Step 4: Simplify right side
    4,160.42x = 8,649,612.66
  5. Step 5: Solve for x
    x = 8,649,612.66/4,160.42
  6. Step 6: Final answer
    x = 2,079.03

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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.