Home / 5,639.04-7,773.12-4,589.28

Finding the Fourth Proportional to 5,639.04, 7,773.12 and 4,589.28

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Solution

The fourth proportional to 5,639.04, 7,773.12 and 4,589.28 is: 6,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.04 : 7,773.12 = 4,589.28 : x
  2. Step 2: Convert to fraction form
    5,639.04/7,773.12 = 4,589.28/x
  3. Step 3: Cross multiply
    5,639.04x = 7,773.12 × 4,589.28
  4. Step 4: Simplify right side
    5,639.04x = 35,673,024.15
  5. Step 5: Solve for x
    x = 35,673,024.15/5,639.04
  6. Step 6: Final answer
    x = 6,326.08

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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.