Home / 7,078.56-10,617.93-2,696.46

Finding the Fourth Proportional to 7,078.56, 10,617.93 and 2,696.46

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Solution

The fourth proportional to 7,078.56, 10,617.93 and 2,696.46 is: 4,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.56 : 10,617.93 = 2,696.46 : x
  2. Step 2: Convert to fraction form
    7,078.56/10,617.93 = 2,696.46/x
  3. Step 3: Cross multiply
    7,078.56x = 10,617.93 × 2,696.46
  4. Step 4: Simplify right side
    7,078.56x = 28,630,823.53
  5. Step 5: Solve for x
    x = 28,630,823.53/7,078.56
  6. Step 6: Final answer
    x = 4,044.72

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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.