Home / 5,102.28-7,631.08-4,728.67

Finding the Fourth Proportional to 5,102.28, 7,631.08 and 4,728.67

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Solution

The fourth proportional to 5,102.28, 7,631.08 and 4,728.67 is: 7,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.28 : 7,631.08 = 4,728.67 : x
  2. Step 2: Convert to fraction form
    5,102.28/7,631.08 = 4,728.67/x
  3. Step 3: Cross multiply
    5,102.28x = 7,631.08 × 4,728.67
  4. Step 4: Simplify right side
    5,102.28x = 36,084,828.16
  5. Step 5: Solve for x
    x = 36,084,828.16/5,102.28
  6. Step 6: Final answer
    x = 7,072.29

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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.