Home / 6,916.32-10,374.98-3,408.20

Finding the Fourth Proportional to 6,916.32, 10,374.98 and 3,408.20

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Solution

The fourth proportional to 6,916.32, 10,374.98 and 3,408.20 is: 5,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.32 : 10,374.98 = 3,408.20 : x
  2. Step 2: Convert to fraction form
    6,916.32/10,374.98 = 3,408.20/x
  3. Step 3: Cross multiply
    6,916.32x = 10,374.98 × 3,408.20
  4. Step 4: Simplify right side
    6,916.32x = 35,360,006.84
  5. Step 5: Solve for x
    x = 35,360,006.84/6,916.32
  6. Step 6: Final answer
    x = 5,112.55

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1.5x scale

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.