Home / 4,787.58-6,606.99-2,692.20

Finding the Fourth Proportional to 4,787.58, 6,606.99 and 2,692.20

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Solution

The fourth proportional to 4,787.58, 6,606.99 and 2,692.20 is: 3,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.58 : 6,606.99 = 2,692.20 : x
  2. Step 2: Convert to fraction form
    4,787.58/6,606.99 = 2,692.20/x
  3. Step 3: Cross multiply
    4,787.58x = 6,606.99 × 2,692.20
  4. Step 4: Simplify right side
    4,787.58x = 17,787,338.48
  5. Step 5: Solve for x
    x = 17,787,338.48/4,787.58
  6. Step 6: Final answer
    x = 3,715.31

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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.