Home / 9,243.64-13,865.87-3,320.52

Finding the Fourth Proportional to 9,243.64, 13,865.87 and 3,320.52

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Solution

The fourth proportional to 9,243.64, 13,865.87 and 3,320.52 is: 4,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.64 : 13,865.87 = 3,320.52 : x
  2. Step 2: Convert to fraction form
    9,243.64/13,865.87 = 3,320.52/x
  3. Step 3: Cross multiply
    9,243.64x = 13,865.87 × 3,320.52
  4. Step 4: Simplify right side
    9,243.64x = 46,041,898.65
  5. Step 5: Solve for x
    x = 46,041,898.65/9,243.64
  6. Step 6: Final answer
    x = 4,980.93

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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.