Home / 5,378.10-8,068.17-1,867.97

Finding the Fourth Proportional to 5,378.10, 8,068.17 and 1,867.97

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Solution

The fourth proportional to 5,378.10, 8,068.17 and 1,867.97 is: 2,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.10 : 8,068.17 = 1,867.97 : x
  2. Step 2: Convert to fraction form
    5,378.10/8,068.17 = 1,867.97/x
  3. Step 3: Cross multiply
    5,378.10x = 8,068.17 × 1,867.97
  4. Step 4: Simplify right side
    5,378.10x = 15,071,099.51
  5. Step 5: Solve for x
    x = 15,071,099.51/5,378.10
  6. Step 6: Final answer
    x = 2,802.31

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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.