Home / 6,916.49-10,372.80-3,214.99

Finding the Fourth Proportional to 6,916.49, 10,372.80 and 3,214.99

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Solution

The fourth proportional to 6,916.49, 10,372.80 and 3,214.99 is: 4,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.49 : 10,372.80 = 3,214.99 : x
  2. Step 2: Convert to fraction form
    6,916.49/10,372.80 = 3,214.99/x
  3. Step 3: Cross multiply
    6,916.49x = 10,372.80 × 3,214.99
  4. Step 4: Simplify right side
    6,916.49x = 33,348,396.41
  5. Step 5: Solve for x
    x = 33,348,396.41/6,916.49
  6. Step 6: Final answer
    x = 4,821.58

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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.