Home / 7,288.58-10,934.47-2,358.72

Finding the Fourth Proportional to 7,288.58, 10,934.47 and 2,358.72

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Solution

The fourth proportional to 7,288.58, 10,934.47 and 2,358.72 is: 3,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.58 : 10,934.47 = 2,358.72 : x
  2. Step 2: Convert to fraction form
    7,288.58/10,934.47 = 2,358.72/x
  3. Step 3: Cross multiply
    7,288.58x = 10,934.47 × 2,358.72
  4. Step 4: Simplify right side
    7,288.58x = 25,791,353.08
  5. Step 5: Solve for x
    x = 25,791,353.08/7,288.58
  6. Step 6: Final answer
    x = 3,538.60

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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.