Home / 4,430.12-6,111.52-2,858.72

Finding the Fourth Proportional to 4,430.12, 6,111.52 and 2,858.72

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Solution

The fourth proportional to 4,430.12, 6,111.52 and 2,858.72 is: 3,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.12 : 6,111.52 = 2,858.72 : x
  2. Step 2: Convert to fraction form
    4,430.12/6,111.52 = 2,858.72/x
  3. Step 3: Cross multiply
    4,430.12x = 6,111.52 × 2,858.72
  4. Step 4: Simplify right side
    4,430.12x = 17,471,086.75
  5. Step 5: Solve for x
    x = 17,471,086.75/4,430.12
  6. Step 6: Final answer
    x = 3,943.71

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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.