Home / 4,788.60-6,607.80-2,692.68

Finding the Fourth Proportional to 4,788.60, 6,607.80 and 2,692.68

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Solution

The fourth proportional to 4,788.60, 6,607.80 and 2,692.68 is: 3,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.60 : 6,607.80 = 2,692.68 : x
  2. Step 2: Convert to fraction form
    4,788.60/6,607.80 = 2,692.68/x
  3. Step 3: Cross multiply
    4,788.60x = 6,607.80 × 2,692.68
  4. Step 4: Simplify right side
    4,788.60x = 17,792,690.90
  5. Step 5: Solve for x
    x = 17,792,690.90/4,788.60
  6. Step 6: Final answer
    x = 3,715.64

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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.