Home / 6,140.96-9,212.40-2,245.76

Finding the Fourth Proportional to 6,140.96, 9,212.40 and 2,245.76

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Solution

The fourth proportional to 6,140.96, 9,212.40 and 2,245.76 is: 3,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.96 : 9,212.40 = 2,245.76 : x
  2. Step 2: Convert to fraction form
    6,140.96/9,212.40 = 2,245.76/x
  3. Step 3: Cross multiply
    6,140.96x = 9,212.40 × 2,245.76
  4. Step 4: Simplify right side
    6,140.96x = 20,688,839.42
  5. Step 5: Solve for x
    x = 20,688,839.42/6,140.96
  6. Step 6: Final answer
    x = 3,368.99

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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.