Home / 5,856.27-8,785.57-2,158.51

Finding the Fourth Proportional to 5,856.27, 8,785.57 and 2,158.51

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Solution

The fourth proportional to 5,856.27, 8,785.57 and 2,158.51 is: 3,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.27 : 8,785.57 = 2,158.51 : x
  2. Step 2: Convert to fraction form
    5,856.27/8,785.57 = 2,158.51/x
  3. Step 3: Cross multiply
    5,856.27x = 8,785.57 × 2,158.51
  4. Step 4: Simplify right side
    5,856.27x = 18,963,768.06
  5. Step 5: Solve for x
    x = 18,963,768.06/5,856.27
  6. Step 6: Final answer
    x = 3,238.20

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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.