Home / 5,947.81-8,921.65-1,788.17

Finding the Fourth Proportional to 5,947.81, 8,921.65 and 1,788.17

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Solution

The fourth proportional to 5,947.81, 8,921.65 and 1,788.17 is: 2,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.81 : 8,921.65 = 1,788.17 : x
  2. Step 2: Convert to fraction form
    5,947.81/8,921.65 = 1,788.17/x
  3. Step 3: Cross multiply
    5,947.81x = 8,921.65 × 1,788.17
  4. Step 4: Simplify right side
    5,947.81x = 15,953,426.88
  5. Step 5: Solve for x
    x = 15,953,426.88/5,947.81
  6. Step 6: Final answer
    x = 2,682.24

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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.