Home / 5,184.96-7,777.30-1,289.32

Finding the Fourth Proportional to 5,184.96, 7,777.30 and 1,289.32

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Solution

The fourth proportional to 5,184.96, 7,777.30 and 1,289.32 is: 1,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.96 : 7,777.30 = 1,289.32 : x
  2. Step 2: Convert to fraction form
    5,184.96/7,777.30 = 1,289.32/x
  3. Step 3: Cross multiply
    5,184.96x = 7,777.30 × 1,289.32
  4. Step 4: Simplify right side
    5,184.96x = 10,027,428.44
  5. Step 5: Solve for x
    x = 10,027,428.44/5,184.96
  6. Step 6: Final answer
    x = 1,933.95

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Double scale
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Similar ratio
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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.