Home / 7,348.63-10,141.18-3,991.51

Finding the Fourth Proportional to 7,348.63, 10,141.18 and 3,991.51

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Solution

The fourth proportional to 7,348.63, 10,141.18 and 3,991.51 is: 5,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.63 : 10,141.18 = 3,991.51 : x
  2. Step 2: Convert to fraction form
    7,348.63/10,141.18 = 3,991.51/x
  3. Step 3: Cross multiply
    7,348.63x = 10,141.18 × 3,991.51
  4. Step 4: Simplify right side
    7,348.63x = 40,478,646.53
  5. Step 5: Solve for x
    x = 40,478,646.53/7,348.63
  6. Step 6: Final answer
    x = 5,508.33

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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.