Home / 7,639.30-11,437.08-4,697.79

Finding the Fourth Proportional to 7,639.30, 11,437.08 and 4,697.79

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Solution

The fourth proportional to 7,639.30, 11,437.08 and 4,697.79 is: 7,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.30 : 11,437.08 = 4,697.79 : x
  2. Step 2: Convert to fraction form
    7,639.30/11,437.08 = 4,697.79/x
  3. Step 3: Cross multiply
    7,639.30x = 11,437.08 × 4,697.79
  4. Step 4: Simplify right side
    7,639.30x = 53,729,000.05
  5. Step 5: Solve for x
    x = 53,729,000.05/7,639.30
  6. Step 6: Final answer
    x = 7,033.24

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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.