Home / 4,288.83-5,918.99-3,953.79

Finding the Fourth Proportional to 4,288.83, 5,918.99 and 3,953.79

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Solution

The fourth proportional to 4,288.83, 5,918.99 and 3,953.79 is: 5,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.83 : 5,918.99 = 3,953.79 : x
  2. Step 2: Convert to fraction form
    4,288.83/5,918.99 = 3,953.79/x
  3. Step 3: Cross multiply
    4,288.83x = 5,918.99 × 3,953.79
  4. Step 4: Simplify right side
    4,288.83x = 23,402,423.70
  5. Step 5: Solve for x
    x = 23,402,423.70/4,288.83
  6. Step 6: Final answer
    x = 5,456.60

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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.