Home / 4,435.50-6,121.80-3,111.24

Finding the Fourth Proportional to 4,435.50, 6,121.80 and 3,111.24

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Solution

The fourth proportional to 4,435.50, 6,121.80 and 3,111.24 is: 4,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.50 : 6,121.80 = 3,111.24 : x
  2. Step 2: Convert to fraction form
    4,435.50/6,121.80 = 3,111.24/x
  3. Step 3: Cross multiply
    4,435.50x = 6,121.80 × 3,111.24
  4. Step 4: Simplify right side
    4,435.50x = 19,046,389.03
  5. Step 5: Solve for x
    x = 19,046,389.03/4,435.50
  6. Step 6: Final answer
    x = 4,294.08

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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.