Home / 5,123.96-7,069.16-3,356.54

Finding the Fourth Proportional to 5,123.96, 7,069.16 and 3,356.54

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Solution

The fourth proportional to 5,123.96, 7,069.16 and 3,356.54 is: 4,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.96 : 7,069.16 = 3,356.54 : x
  2. Step 2: Convert to fraction form
    5,123.96/7,069.16 = 3,356.54/x
  3. Step 3: Cross multiply
    5,123.96x = 7,069.16 × 3,356.54
  4. Step 4: Simplify right side
    5,123.96x = 23,727,866.18
  5. Step 5: Solve for x
    x = 23,727,866.18/5,123.96
  6. Step 6: Final answer
    x = 4,630.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.