Home / 5,709.40-8,565.32-1,814.08

Finding the Fourth Proportional to 5,709.40, 8,565.32 and 1,814.08

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Solution

The fourth proportional to 5,709.40, 8,565.32 and 1,814.08 is: 2,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.40 : 8,565.32 = 1,814.08 : x
  2. Step 2: Convert to fraction form
    5,709.40/8,565.32 = 1,814.08/x
  3. Step 3: Cross multiply
    5,709.40x = 8,565.32 × 1,814.08
  4. Step 4: Simplify right side
    5,709.40x = 15,538,175.71
  5. Step 5: Solve for x
    x = 15,538,175.71/5,709.40
  6. Step 6: Final answer
    x = 2,721.51

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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.