Home / 5,289.02-7,933.64-1,393.13

Finding the Fourth Proportional to 5,289.02, 7,933.64 and 1,393.13

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Solution

The fourth proportional to 5,289.02, 7,933.64 and 1,393.13 is: 2,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.02 : 7,933.64 = 1,393.13 : x
  2. Step 2: Convert to fraction form
    5,289.02/7,933.64 = 1,393.13/x
  3. Step 3: Cross multiply
    5,289.02x = 7,933.64 × 1,393.13
  4. Step 4: Simplify right side
    5,289.02x = 11,052,591.89
  5. Step 5: Solve for x
    x = 11,052,591.89/5,289.02
  6. Step 6: Final answer
    x = 2,089.72

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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.