Home / 6,395.58-9,589.73-3,430.37

Finding the Fourth Proportional to 6,395.58, 9,589.73 and 3,430.37

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Solution

The fourth proportional to 6,395.58, 9,589.73 and 3,430.37 is: 5,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.58 : 9,589.73 = 3,430.37 : x
  2. Step 2: Convert to fraction form
    6,395.58/9,589.73 = 3,430.37/x
  3. Step 3: Cross multiply
    6,395.58x = 9,589.73 × 3,430.37
  4. Step 4: Simplify right side
    6,395.58x = 32,896,328.92
  5. Step 5: Solve for x
    x = 32,896,328.92/6,395.58
  6. Step 6: Final answer
    x = 5,143.60

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1.5x scale

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.