Home / 5,727.48-7,907.72-4,398.81

Finding the Fourth Proportional to 5,727.48, 7,907.72 and 4,398.81

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Solution

The fourth proportional to 5,727.48, 7,907.72 and 4,398.81 is: 6,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.48 : 7,907.72 = 4,398.81 : x
  2. Step 2: Convert to fraction form
    5,727.48/7,907.72 = 4,398.81/x
  3. Step 3: Cross multiply
    5,727.48x = 7,907.72 × 4,398.81
  4. Step 4: Simplify right side
    5,727.48x = 34,784,557.81
  5. Step 5: Solve for x
    x = 34,784,557.81/5,727.48
  6. Step 6: Final answer
    x = 6,073.27

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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.