Home / 9,038.87-13,558.34-4,657.61

Finding the Fourth Proportional to 9,038.87, 13,558.34 and 4,657.61

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Solution

The fourth proportional to 9,038.87, 13,558.34 and 4,657.61 is: 6,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.87 : 13,558.34 = 4,657.61 : x
  2. Step 2: Convert to fraction form
    9,038.87/13,558.34 = 4,657.61/x
  3. Step 3: Cross multiply
    9,038.87x = 13,558.34 × 4,657.61
  4. Step 4: Simplify right side
    9,038.87x = 63,149,436.68
  5. Step 5: Solve for x
    x = 63,149,436.68/9,038.87
  6. Step 6: Final answer
    x = 6,986.43

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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.