Home / 6,078.56-9,116.08-2,615.04

Finding the Fourth Proportional to 6,078.56, 9,116.08 and 2,615.04

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Solution

The fourth proportional to 6,078.56, 9,116.08 and 2,615.04 is: 3,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.56 : 9,116.08 = 2,615.04 : x
  2. Step 2: Convert to fraction form
    6,078.56/9,116.08 = 2,615.04/x
  3. Step 3: Cross multiply
    6,078.56x = 9,116.08 × 2,615.04
  4. Step 4: Simplify right side
    6,078.56x = 23,838,913.84
  5. Step 5: Solve for x
    x = 23,838,913.84/6,078.56
  6. Step 6: Final answer
    x = 3,921.80

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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.