Home / 6,916.32-10,374.35-4,143.76

Finding the Fourth Proportional to 6,916.32, 10,374.35 and 4,143.76

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Solution

The fourth proportional to 6,916.32, 10,374.35 and 4,143.76 is: 6,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.32 : 10,374.35 = 4,143.76 : x
  2. Step 2: Convert to fraction form
    6,916.32/10,374.35 = 4,143.76/x
  3. Step 3: Cross multiply
    6,916.32x = 10,374.35 × 4,143.76
  4. Step 4: Simplify right side
    6,916.32x = 42,988,769.90
  5. Step 5: Solve for x
    x = 42,988,769.90/6,916.32
  6. Step 6: Final answer
    x = 6,215.56

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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.