Home / 4,109.28-6,165.61-1,477.12

Finding the Fourth Proportional to 4,109.28, 6,165.61 and 1,477.12

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Solution

The fourth proportional to 4,109.28, 6,165.61 and 1,477.12 is: 2,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.28 : 6,165.61 = 1,477.12 : x
  2. Step 2: Convert to fraction form
    4,109.28/6,165.61 = 1,477.12/x
  3. Step 3: Cross multiply
    4,109.28x = 6,165.61 × 1,477.12
  4. Step 4: Simplify right side
    4,109.28x = 9,107,345.84
  5. Step 5: Solve for x
    x = 9,107,345.84/4,109.28
  6. Step 6: Final answer
    x = 2,216.29

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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.