Home / 5,448.35-7,518.67-3,090.51

Finding the Fourth Proportional to 5,448.35, 7,518.67 and 3,090.51

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Solution

The fourth proportional to 5,448.35, 7,518.67 and 3,090.51 is: 4,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.35 : 7,518.67 = 3,090.51 : x
  2. Step 2: Convert to fraction form
    5,448.35/7,518.67 = 3,090.51/x
  3. Step 3: Cross multiply
    5,448.35x = 7,518.67 × 3,090.51
  4. Step 4: Simplify right side
    5,448.35x = 23,236,471.78
  5. Step 5: Solve for x
    x = 23,236,471.78/5,448.35
  6. Step 6: Final answer
    x = 4,264.87

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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.