Home / 7,341.47-10,131.25-3,984.28

Finding the Fourth Proportional to 7,341.47, 10,131.25 and 3,984.28

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Solution

The fourth proportional to 7,341.47, 10,131.25 and 3,984.28 is: 5,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.47 : 10,131.25 = 3,984.28 : x
  2. Step 2: Convert to fraction form
    7,341.47/10,131.25 = 3,984.28/x
  3. Step 3: Cross multiply
    7,341.47x = 10,131.25 × 3,984.28
  4. Step 4: Simplify right side
    7,341.47x = 40,365,736.75
  5. Step 5: Solve for x
    x = 40,365,736.75/7,341.47
  6. Step 6: Final answer
    x = 5,498.32

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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.