Home / 5,397.48-7,448.37-3,039.57

Finding the Fourth Proportional to 5,397.48, 7,448.37 and 3,039.57

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Solution

The fourth proportional to 5,397.48, 7,448.37 and 3,039.57 is: 4,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.48 : 7,448.37 = 3,039.57 : x
  2. Step 2: Convert to fraction form
    5,397.48/7,448.37 = 3,039.57/x
  3. Step 3: Cross multiply
    5,397.48x = 7,448.37 × 3,039.57
  4. Step 4: Simplify right side
    5,397.48x = 22,639,842.00
  5. Step 5: Solve for x
    x = 22,639,842.00/5,397.48
  6. Step 6: Final answer
    x = 4,194.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.