Home / 4,888.60-7,331.37-1,768.20

Finding the Fourth Proportional to 4,888.60, 7,331.37 and 1,768.20

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Solution

The fourth proportional to 4,888.60, 7,331.37 and 1,768.20 is: 2,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.60 : 7,331.37 = 1,768.20 : x
  2. Step 2: Convert to fraction form
    4,888.60/7,331.37 = 1,768.20/x
  3. Step 3: Cross multiply
    4,888.60x = 7,331.37 × 1,768.20
  4. Step 4: Simplify right side
    4,888.60x = 12,963,328.43
  5. Step 5: Solve for x
    x = 12,963,328.43/4,888.60
  6. Step 6: Final answer
    x = 2,651.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.