Home / 4,959.28-7,438.96-1,261.51

Finding the Fourth Proportional to 4,959.28, 7,438.96 and 1,261.51

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Solution

The fourth proportional to 4,959.28, 7,438.96 and 1,261.51 is: 1,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.28 : 7,438.96 = 1,261.51 : x
  2. Step 2: Convert to fraction form
    4,959.28/7,438.96 = 1,261.51/x
  3. Step 3: Cross multiply
    4,959.28x = 7,438.96 × 1,261.51
  4. Step 4: Simplify right side
    4,959.28x = 9,384,336.35
  5. Step 5: Solve for x
    x = 9,384,336.35/4,959.28
  6. Step 6: Final answer
    x = 1,892.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.