Home / 7,274.03-10,039.47-4,289.68

Finding the Fourth Proportional to 7,274.03, 10,039.47 and 4,289.68

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Solution

The fourth proportional to 7,274.03, 10,039.47 and 4,289.68 is: 5,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.03 : 10,039.47 = 4,289.68 : x
  2. Step 2: Convert to fraction form
    7,274.03/10,039.47 = 4,289.68/x
  3. Step 3: Cross multiply
    7,274.03x = 10,039.47 × 4,289.68
  4. Step 4: Simplify right side
    7,274.03x = 43,066,110.13
  5. Step 5: Solve for x
    x = 43,066,110.13/7,274.03
  6. Step 6: Final answer
    x = 5,920.53

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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.