Home / 4,430.61-6,112.31-2,661.20

Finding the Fourth Proportional to 4,430.61, 6,112.31 and 2,661.20

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Solution

The fourth proportional to 4,430.61, 6,112.31 and 2,661.20 is: 3,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.61 : 6,112.31 = 2,661.20 : x
  2. Step 2: Convert to fraction form
    4,430.61/6,112.31 = 2,661.20/x
  3. Step 3: Cross multiply
    4,430.61x = 6,112.31 × 2,661.20
  4. Step 4: Simplify right side
    4,430.61x = 16,266,035.50
  5. Step 5: Solve for x
    x = 16,266,035.50/4,430.61
  6. Step 6: Final answer
    x = 3,671.29

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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.