Home / 4,156.20-5,719.34-4,130.64

Finding the Fourth Proportional to 4,156.20, 5,719.34 and 4,130.64

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Solution

The fourth proportional to 4,156.20, 5,719.34 and 4,130.64 is: 5,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.20 : 5,719.34 = 4,130.64 : x
  2. Step 2: Convert to fraction form
    4,156.20/5,719.34 = 4,130.64/x
  3. Step 3: Cross multiply
    4,156.20x = 5,719.34 × 4,130.64
  4. Step 4: Simplify right side
    4,156.20x = 23,624,534.58
  5. Step 5: Solve for x
    x = 23,624,534.58/4,156.20
  6. Step 6: Final answer
    x = 5,684.17

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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.