Home / 5,664.75-7,816.17-3,426.19

Finding the Fourth Proportional to 5,664.75, 7,816.17 and 3,426.19

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Solution

The fourth proportional to 5,664.75, 7,816.17 and 3,426.19 is: 4,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.75 : 7,816.17 = 3,426.19 : x
  2. Step 2: Convert to fraction form
    5,664.75/7,816.17 = 3,426.19/x
  3. Step 3: Cross multiply
    5,664.75x = 7,816.17 × 3,426.19
  4. Step 4: Simplify right side
    5,664.75x = 26,779,663.95
  5. Step 5: Solve for x
    x = 26,779,663.95/5,664.75
  6. Step 6: Final answer
    x = 4,727.42

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Half scale
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Double scale
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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.