Home / 5,378.07-8,065.02-2,090.73

Finding the Fourth Proportional to 5,378.07, 8,065.02 and 2,090.73

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Solution

The fourth proportional to 5,378.07, 8,065.02 and 2,090.73 is: 3,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.07 : 8,065.02 = 2,090.73 : x
  2. Step 2: Convert to fraction form
    5,378.07/8,065.02 = 2,090.73/x
  3. Step 3: Cross multiply
    5,378.07x = 8,065.02 × 2,090.73
  4. Step 4: Simplify right side
    5,378.07x = 16,861,779.26
  5. Step 5: Solve for x
    x = 16,861,779.26/5,378.07
  6. Step 6: Final answer
    x = 3,135.28

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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.