Home / 4,663.70-6,434.20-2,775.79

Finding the Fourth Proportional to 4,663.70, 6,434.20 and 2,775.79

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Solution

The fourth proportional to 4,663.70, 6,434.20 and 2,775.79 is: 3,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.70 : 6,434.20 = 2,775.79 : x
  2. Step 2: Convert to fraction form
    4,663.70/6,434.20 = 2,775.79/x
  3. Step 3: Cross multiply
    4,663.70x = 6,434.20 × 2,775.79
  4. Step 4: Simplify right side
    4,663.70x = 17,859,988.02
  5. Step 5: Solve for x
    x = 17,859,988.02/4,663.70
  6. Step 6: Final answer
    x = 3,829.57

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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.