Home / 4,688.19-6,468.87-2,919.15

Finding the Fourth Proportional to 4,688.19, 6,468.87 and 2,919.15

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Solution

The fourth proportional to 4,688.19, 6,468.87 and 2,919.15 is: 4,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.19 : 6,468.87 = 2,919.15 : x
  2. Step 2: Convert to fraction form
    4,688.19/6,468.87 = 2,919.15/x
  3. Step 3: Cross multiply
    4,688.19x = 6,468.87 × 2,919.15
  4. Step 4: Simplify right side
    4,688.19x = 18,883,601.86
  5. Step 5: Solve for x
    x = 18,883,601.86/4,688.19
  6. Step 6: Final answer
    x = 4,027.91

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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.