Home / 6,918.95-10,378.41-2,536.76

Finding the Fourth Proportional to 6,918.95, 10,378.41 and 2,536.76

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Solution

The fourth proportional to 6,918.95, 10,378.41 and 2,536.76 is: 3,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.95 : 10,378.41 = 2,536.76 : x
  2. Step 2: Convert to fraction form
    6,918.95/10,378.41 = 2,536.76/x
  3. Step 3: Cross multiply
    6,918.95x = 10,378.41 × 2,536.76
  4. Step 4: Simplify right side
    6,918.95x = 26,327,483.46
  5. Step 5: Solve for x
    x = 26,327,483.46/6,918.95
  6. Step 6: Final answer
    x = 3,805.13

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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.