Home / 4,463.29-6,692.78-1,688.18

Finding the Fourth Proportional to 4,463.29, 6,692.78 and 1,688.18

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Solution

The fourth proportional to 4,463.29, 6,692.78 and 1,688.18 is: 2,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,463.29 : 6,692.78 = 1,688.18 : x
  2. Step 2: Convert to fraction form
    4,463.29/6,692.78 = 1,688.18/x
  3. Step 3: Cross multiply
    4,463.29x = 6,692.78 × 1,688.18
  4. Step 4: Simplify right side
    4,463.29x = 11,298,578.60
  5. Step 5: Solve for x
    x = 11,298,578.60/4,463.29
  6. Step 6: Final answer
    x = 2,531.45

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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.