Home / 6,395.85-9,587.55-3,931.38

Finding the Fourth Proportional to 6,395.85, 9,587.55 and 3,931.38

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Solution

The fourth proportional to 6,395.85, 9,587.55 and 3,931.38 is: 5,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.85 : 9,587.55 = 3,931.38 : x
  2. Step 2: Convert to fraction form
    6,395.85/9,587.55 = 3,931.38/x
  3. Step 3: Cross multiply
    6,395.85x = 9,587.55 × 3,931.38
  4. Step 4: Simplify right side
    6,395.85x = 37,692,302.32
  5. Step 5: Solve for x
    x = 37,692,302.32/6,395.85
  6. Step 6: Final answer
    x = 5,893.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.