Home / 4,911.36-7,358.88-2,959.56

Finding the Fourth Proportional to 4,911.36, 7,358.88 and 2,959.56

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Solution

The fourth proportional to 4,911.36, 7,358.88 and 2,959.56 is: 4,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.36 : 7,358.88 = 2,959.56 : x
  2. Step 2: Convert to fraction form
    4,911.36/7,358.88 = 2,959.56/x
  3. Step 3: Cross multiply
    4,911.36x = 7,358.88 × 2,959.56
  4. Step 4: Simplify right side
    4,911.36x = 21,779,046.89
  5. Step 5: Solve for x
    x = 21,779,046.89/4,911.36
  6. Step 6: Final answer
    x = 4,434.42

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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.