Home / 7,035.20-10,546.20-2,655.60

Finding the Fourth Proportional to 7,035.20, 10,546.20 and 2,655.60

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Solution

The fourth proportional to 7,035.20, 10,546.20 and 2,655.60 is: 3,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.20 : 10,546.20 = 2,655.60 : x
  2. Step 2: Convert to fraction form
    7,035.20/10,546.20 = 2,655.60/x
  3. Step 3: Cross multiply
    7,035.20x = 10,546.20 × 2,655.60
  4. Step 4: Simplify right side
    7,035.20x = 28,006,488.72
  5. Step 5: Solve for x
    x = 28,006,488.72/7,035.20
  6. Step 6: Final answer
    x = 3,980.91

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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.