Home / 10,390.81-15,582.57-2,993.29

Finding the Fourth Proportional to 10,390.81, 15,582.57 and 2,993.29

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Solution

The fourth proportional to 10,390.81, 15,582.57 and 2,993.29 is: 4,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.81 : 15,582.57 = 2,993.29 : x
  2. Step 2: Convert to fraction form
    10,390.81/15,582.57 = 2,993.29/x
  3. Step 3: Cross multiply
    10,390.81x = 15,582.57 × 2,993.29
  4. Step 4: Simplify right side
    10,390.81x = 46,643,150.96
  5. Step 5: Solve for x
    x = 46,643,150.96/10,390.81
  6. Step 6: Final answer
    x = 4,488.88

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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.