Home / 4,321.38-6,480.72-1,856.10

Finding the Fourth Proportional to 4,321.38, 6,480.72 and 1,856.10

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Solution

The fourth proportional to 4,321.38, 6,480.72 and 1,856.10 is: 2,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.38 : 6,480.72 = 1,856.10 : x
  2. Step 2: Convert to fraction form
    4,321.38/6,480.72 = 1,856.10/x
  3. Step 3: Cross multiply
    4,321.38x = 6,480.72 × 1,856.10
  4. Step 4: Simplify right side
    4,321.38x = 12,028,864.39
  5. Step 5: Solve for x
    x = 12,028,864.39/4,321.38
  6. Step 6: Final answer
    x = 2,783.57

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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.