Home / 7,268.31-10,031.18-4,125.51

Finding the Fourth Proportional to 7,268.31, 10,031.18 and 4,125.51

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Solution

The fourth proportional to 7,268.31, 10,031.18 and 4,125.51 is: 5,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.31 : 10,031.18 = 4,125.51 : x
  2. Step 2: Convert to fraction form
    7,268.31/10,031.18 = 4,125.51/x
  3. Step 3: Cross multiply
    7,268.31x = 10,031.18 × 4,125.51
  4. Step 4: Simplify right side
    7,268.31x = 41,383,712.77
  5. Step 5: Solve for x
    x = 41,383,712.77/7,268.31
  6. Step 6: Final answer
    x = 5,693.72

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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.