Home / 7,314.20-10,971.30-5,564.60

Finding the Fourth Proportional to 7,314.20, 10,971.30 and 5,564.60

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Solution

The fourth proportional to 7,314.20, 10,971.30 and 5,564.60 is: 8,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.20 : 10,971.30 = 5,564.60 : x
  2. Step 2: Convert to fraction form
    7,314.20/10,971.30 = 5,564.60/x
  3. Step 3: Cross multiply
    7,314.20x = 10,971.30 × 5,564.60
  4. Step 4: Simplify right side
    7,314.20x = 61,050,895.98
  5. Step 5: Solve for x
    x = 61,050,895.98/7,314.20
  6. Step 6: Final answer
    x = 8,346.90

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Similar ratio
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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.