Home / 5,530.31-7,639.29-4,419.04

Finding the Fourth Proportional to 5,530.31, 7,639.29 and 4,419.04

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Solution

The fourth proportional to 5,530.31, 7,639.29 and 4,419.04 is: 6,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.31 : 7,639.29 = 4,419.04 : x
  2. Step 2: Convert to fraction form
    5,530.31/7,639.29 = 4,419.04/x
  3. Step 3: Cross multiply
    5,530.31x = 7,639.29 × 4,419.04
  4. Step 4: Simplify right side
    5,530.31x = 33,758,328.08
  5. Step 5: Solve for x
    x = 33,758,328.08/5,530.31
  6. Step 6: Final answer
    x = 6,104.24

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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.