Home / 7,288.23-10,925.87-3,390.51

Finding the Fourth Proportional to 7,288.23, 10,925.87 and 3,390.51

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Solution

The fourth proportional to 7,288.23, 10,925.87 and 3,390.51 is: 5,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.23 : 10,925.87 = 3,390.51 : x
  2. Step 2: Convert to fraction form
    7,288.23/10,925.87 = 3,390.51/x
  3. Step 3: Cross multiply
    7,288.23x = 10,925.87 × 3,390.51
  4. Step 4: Simplify right side
    7,288.23x = 37,044,254.54
  5. Step 5: Solve for x
    x = 37,044,254.54/7,288.23
  6. Step 6: Final answer
    x = 5,082.75

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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.