Home / 4,665.12-6,434.82-2,802.12

Finding the Fourth Proportional to 4,665.12, 6,434.82 and 2,802.12

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Solution

The fourth proportional to 4,665.12, 6,434.82 and 2,802.12 is: 3,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.12 : 6,434.82 = 2,802.12 : x
  2. Step 2: Convert to fraction form
    4,665.12/6,434.82 = 2,802.12/x
  3. Step 3: Cross multiply
    4,665.12x = 6,434.82 × 2,802.12
  4. Step 4: Simplify right side
    4,665.12x = 18,031,137.82
  5. Step 5: Solve for x
    x = 18,031,137.82/4,665.12
  6. Step 6: Final answer
    x = 3,865.10

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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.