Home / 4,158.93-6,239.11-1,386.30

Finding the Fourth Proportional to 4,158.93, 6,239.11 and 1,386.30

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Solution

The fourth proportional to 4,158.93, 6,239.11 and 1,386.30 is: 2,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.93 : 6,239.11 = 1,386.30 : x
  2. Step 2: Convert to fraction form
    4,158.93/6,239.11 = 1,386.30/x
  3. Step 3: Cross multiply
    4,158.93x = 6,239.11 × 1,386.30
  4. Step 4: Simplify right side
    4,158.93x = 8,649,278.19
  5. Step 5: Solve for x
    x = 8,649,278.19/4,158.93
  6. Step 6: Final answer
    x = 2,079.69

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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.