Home / 5,617.56-7,751.88-3,099.18

Finding the Fourth Proportional to 5,617.56, 7,751.88 and 3,099.18

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Solution

The fourth proportional to 5,617.56, 7,751.88 and 3,099.18 is: 4,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.56 : 7,751.88 = 3,099.18 : x
  2. Step 2: Convert to fraction form
    5,617.56/7,751.88 = 3,099.18/x
  3. Step 3: Cross multiply
    5,617.56x = 7,751.88 × 3,099.18
  4. Step 4: Simplify right side
    5,617.56x = 24,024,471.46
  5. Step 5: Solve for x
    x = 24,024,471.46/5,617.56
  6. Step 6: Final answer
    x = 4,276.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.