Home / 5,327.34-7,990.47-1,629.60

Finding the Fourth Proportional to 5,327.34, 7,990.47 and 1,629.60

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Solution

The fourth proportional to 5,327.34, 7,990.47 and 1,629.60 is: 2,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.34 : 7,990.47 = 1,629.60 : x
  2. Step 2: Convert to fraction form
    5,327.34/7,990.47 = 1,629.60/x
  3. Step 3: Cross multiply
    5,327.34x = 7,990.47 × 1,629.60
  4. Step 4: Simplify right side
    5,327.34x = 13,021,269.91
  5. Step 5: Solve for x
    x = 13,021,269.91/5,327.34
  6. Step 6: Final answer
    x = 2,444.23

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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.