Home / 7,289.18-10,935.12-2,358.72

Finding the Fourth Proportional to 7,289.18, 10,935.12 and 2,358.72

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Solution

The fourth proportional to 7,289.18, 10,935.12 and 2,358.72 is: 3,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.18 : 10,935.12 = 2,358.72 : x
  2. Step 2: Convert to fraction form
    7,289.18/10,935.12 = 2,358.72/x
  3. Step 3: Cross multiply
    7,289.18x = 10,935.12 × 2,358.72
  4. Step 4: Simplify right side
    7,289.18x = 25,792,886.25
  5. Step 5: Solve for x
    x = 25,792,886.25/7,289.18
  6. Step 6: Final answer
    x = 3,538.52

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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.