Home / 6,143.16-8,477.28-3,785.52

Finding the Fourth Proportional to 6,143.16, 8,477.28 and 3,785.52

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Solution

The fourth proportional to 6,143.16, 8,477.28 and 3,785.52 is: 5,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.16 : 8,477.28 = 3,785.52 : x
  2. Step 2: Convert to fraction form
    6,143.16/8,477.28 = 3,785.52/x
  3. Step 3: Cross multiply
    6,143.16x = 8,477.28 × 3,785.52
  4. Step 4: Simplify right side
    6,143.16x = 32,090,912.99
  5. Step 5: Solve for x
    x = 32,090,912.99/6,143.16
  6. Step 6: Final answer
    x = 5,223.84

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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.