Home / 4,666.48-6,434.56-3,175.28

Finding the Fourth Proportional to 4,666.48, 6,434.56 and 3,175.28

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Solution

The fourth proportional to 4,666.48, 6,434.56 and 3,175.28 is: 4,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.48 : 6,434.56 = 3,175.28 : x
  2. Step 2: Convert to fraction form
    4,666.48/6,434.56 = 3,175.28/x
  3. Step 3: Cross multiply
    4,666.48x = 6,434.56 × 3,175.28
  4. Step 4: Simplify right side
    4,666.48x = 20,431,529.68
  5. Step 5: Solve for x
    x = 20,431,529.68/4,666.48
  6. Step 6: Final answer
    x = 4,378.36

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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.