Home / 8,077.60-11,147.60-4,541.04

Finding the Fourth Proportional to 8,077.60, 11,147.60 and 4,541.04

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Solution

The fourth proportional to 8,077.60, 11,147.60 and 4,541.04 is: 6,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.60 : 11,147.60 = 4,541.04 : x
  2. Step 2: Convert to fraction form
    8,077.60/11,147.60 = 4,541.04/x
  3. Step 3: Cross multiply
    8,077.60x = 11,147.60 × 4,541.04
  4. Step 4: Simplify right side
    8,077.60x = 50,621,697.50
  5. Step 5: Solve for x
    x = 50,621,697.50/8,077.60
  6. Step 6: Final answer
    x = 6,266.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.