Home / 5,328.89-7,990.27-2,039.93

Finding the Fourth Proportional to 5,328.89, 7,990.27 and 2,039.93

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Solution

The fourth proportional to 5,328.89, 7,990.27 and 2,039.93 is: 3,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.89 : 7,990.27 = 2,039.93 : x
  2. Step 2: Convert to fraction form
    5,328.89/7,990.27 = 2,039.93/x
  3. Step 3: Cross multiply
    5,328.89x = 7,990.27 × 2,039.93
  4. Step 4: Simplify right side
    5,328.89x = 16,299,591.48
  5. Step 5: Solve for x
    x = 16,299,591.48/5,328.89
  6. Step 6: Final answer
    x = 3,058.72

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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.