Home / 5,403.81-8,101.67-2,287.47

Finding the Fourth Proportional to 5,403.81, 8,101.67 and 2,287.47

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Solution

The fourth proportional to 5,403.81, 8,101.67 and 2,287.47 is: 3,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.81 : 8,101.67 = 2,287.47 : x
  2. Step 2: Convert to fraction form
    5,403.81/8,101.67 = 2,287.47/x
  3. Step 3: Cross multiply
    5,403.81x = 8,101.67 × 2,287.47
  4. Step 4: Simplify right side
    5,403.81x = 18,532,315.64
  5. Step 5: Solve for x
    x = 18,532,315.64/5,403.81
  6. Step 6: Final answer
    x = 3,429.49

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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.