Home / 4,720.69-6,519.27-3,889.63

Finding the Fourth Proportional to 4,720.69, 6,519.27 and 3,889.63

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Solution

The fourth proportional to 4,720.69, 6,519.27 and 3,889.63 is: 5,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.69 : 6,519.27 = 3,889.63 : x
  2. Step 2: Convert to fraction form
    4,720.69/6,519.27 = 3,889.63/x
  3. Step 3: Cross multiply
    4,720.69x = 6,519.27 × 3,889.63
  4. Step 4: Simplify right side
    4,720.69x = 25,357,548.17
  5. Step 5: Solve for x
    x = 25,357,548.17/4,720.69
  6. Step 6: Final answer
    x = 5,371.58

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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.