Home / 5,528.84-7,639.51-4,418.94

Finding the Fourth Proportional to 5,528.84, 7,639.51 and 4,418.94

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Solution

The fourth proportional to 5,528.84, 7,639.51 and 4,418.94 is: 6,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.84 : 7,639.51 = 4,418.94 : x
  2. Step 2: Convert to fraction form
    5,528.84/7,639.51 = 4,418.94/x
  3. Step 3: Cross multiply
    5,528.84x = 7,639.51 × 4,418.94
  4. Step 4: Simplify right side
    5,528.84x = 33,758,509.17
  5. Step 5: Solve for x
    x = 33,758,509.17/5,528.84
  6. Step 6: Final answer
    x = 6,105.90

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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.