Home / 7,137.71-10,699.27-2,456.32

Finding the Fourth Proportional to 7,137.71, 10,699.27 and 2,456.32

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Solution

The fourth proportional to 7,137.71, 10,699.27 and 2,456.32 is: 3,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.71 : 10,699.27 = 2,456.32 : x
  2. Step 2: Convert to fraction form
    7,137.71/10,699.27 = 2,456.32/x
  3. Step 3: Cross multiply
    7,137.71x = 10,699.27 × 2,456.32
  4. Step 4: Simplify right side
    7,137.71x = 26,280,830.89
  5. Step 5: Solve for x
    x = 26,280,830.89/7,137.71
  6. Step 6: Final answer
    x = 3,681.97

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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.