Home / 6,395.90-9,537.36-5,619.08

Finding the Fourth Proportional to 6,395.90, 9,537.36 and 5,619.08

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Solution

The fourth proportional to 6,395.90, 9,537.36 and 5,619.08 is: 8,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.90 : 9,537.36 = 5,619.08 : x
  2. Step 2: Convert to fraction form
    6,395.90/9,537.36 = 5,619.08/x
  3. Step 3: Cross multiply
    6,395.90x = 9,537.36 × 5,619.08
  4. Step 4: Simplify right side
    6,395.90x = 53,591,188.83
  5. Step 5: Solve for x
    x = 53,591,188.83/6,395.90
  6. Step 6: Final answer
    x = 8,378.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.