Home / 5,389.04-8,077.56-2,268.12

Finding the Fourth Proportional to 5,389.04, 8,077.56 and 2,268.12

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Solution

The fourth proportional to 5,389.04, 8,077.56 and 2,268.12 is: 3,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.04 : 8,077.56 = 2,268.12 : x
  2. Step 2: Convert to fraction form
    5,389.04/8,077.56 = 2,268.12/x
  3. Step 3: Cross multiply
    5,389.04x = 8,077.56 × 2,268.12
  4. Step 4: Simplify right side
    5,389.04x = 18,320,875.39
  5. Step 5: Solve for x
    x = 18,320,875.39/5,389.04
  6. Step 6: Final answer
    x = 3,399.66

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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.