Home / 6,916.50-10,374.65-3,216.66

Finding the Fourth Proportional to 6,916.50, 10,374.65 and 3,216.66

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Solution

The fourth proportional to 6,916.50, 10,374.65 and 3,216.66 is: 4,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.50 : 10,374.65 = 3,216.66 : x
  2. Step 2: Convert to fraction form
    6,916.50/10,374.65 = 3,216.66/x
  3. Step 3: Cross multiply
    6,916.50x = 10,374.65 × 3,216.66
  4. Step 4: Simplify right side
    6,916.50x = 33,371,678.74
  5. Step 5: Solve for x
    x = 33,371,678.74/6,916.50
  6. Step 6: Final answer
    x = 4,824.94

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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.