Home / 7,207.20-10,823.60-5,261.60

Finding the Fourth Proportional to 7,207.20, 10,823.60 and 5,261.60

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Solution

The fourth proportional to 7,207.20, 10,823.60 and 5,261.60 is: 7,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.20 : 10,823.60 = 5,261.60 : x
  2. Step 2: Convert to fraction form
    7,207.20/10,823.60 = 5,261.60/x
  3. Step 3: Cross multiply
    7,207.20x = 10,823.60 × 5,261.60
  4. Step 4: Simplify right side
    7,207.20x = 56,949,453.76
  5. Step 5: Solve for x
    x = 56,949,453.76/7,207.20
  6. Step 6: Final answer
    x = 7,901.74

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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.