Home / 5,541.60-8,288.40-4,960.80

Finding the Fourth Proportional to 5,541.60, 8,288.40 and 4,960.80

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Solution

The fourth proportional to 5,541.60, 8,288.40 and 4,960.80 is: 7,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.60 : 8,288.40 = 4,960.80 : x
  2. Step 2: Convert to fraction form
    5,541.60/8,288.40 = 4,960.80/x
  3. Step 3: Cross multiply
    5,541.60x = 8,288.40 × 4,960.80
  4. Step 4: Simplify right side
    5,541.60x = 41,117,094.72
  5. Step 5: Solve for x
    x = 41,117,094.72/5,541.60
  6. Step 6: Final answer
    x = 7,419.72

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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.