Home / 4,678.30-7,013.76-3,213.10

Finding the Fourth Proportional to 4,678.30, 7,013.76 and 3,213.10

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Solution

The fourth proportional to 4,678.30, 7,013.76 and 3,213.10 is: 4,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.30 : 7,013.76 = 3,213.10 : x
  2. Step 2: Convert to fraction form
    4,678.30/7,013.76 = 3,213.10/x
  3. Step 3: Cross multiply
    4,678.30x = 7,013.76 × 3,213.10
  4. Step 4: Simplify right side
    4,678.30x = 22,535,912.26
  5. Step 5: Solve for x
    x = 22,535,912.26/4,678.30
  6. Step 6: Final answer
    x = 4,817.12

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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.