Home / 5,418.84-7,477.74-3,061.32

Finding the Fourth Proportional to 5,418.84, 7,477.74 and 3,061.32

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Solution

The fourth proportional to 5,418.84, 7,477.74 and 3,061.32 is: 4,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.84 : 7,477.74 = 3,061.32 : x
  2. Step 2: Convert to fraction form
    5,418.84/7,477.74 = 3,061.32/x
  3. Step 3: Cross multiply
    5,418.84x = 7,477.74 × 3,061.32
  4. Step 4: Simplify right side
    5,418.84x = 22,891,755.02
  5. Step 5: Solve for x
    x = 22,891,755.02/5,418.84
  6. Step 6: Final answer
    x = 4,224.48

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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.