Home / 6,862.15-10,289.35-2,181.30

Finding the Fourth Proportional to 6,862.15, 10,289.35 and 2,181.30

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Solution

The fourth proportional to 6,862.15, 10,289.35 and 2,181.30 is: 3,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.15 : 10,289.35 = 2,181.30 : x
  2. Step 2: Convert to fraction form
    6,862.15/10,289.35 = 2,181.30/x
  3. Step 3: Cross multiply
    6,862.15x = 10,289.35 × 2,181.30
  4. Step 4: Simplify right side
    6,862.15x = 22,444,159.16
  5. Step 5: Solve for x
    x = 22,444,159.16/6,862.15
  6. Step 6: Final answer
    x = 3,270.72

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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.