Home / 4,310.48-6,434.34-3,989.52

Finding the Fourth Proportional to 4,310.48, 6,434.34 and 3,989.52

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Solution

The fourth proportional to 4,310.48, 6,434.34 and 3,989.52 is: 5,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.48 : 6,434.34 = 3,989.52 : x
  2. Step 2: Convert to fraction form
    4,310.48/6,434.34 = 3,989.52/x
  3. Step 3: Cross multiply
    4,310.48x = 6,434.34 × 3,989.52
  4. Step 4: Simplify right side
    4,310.48x = 25,669,928.12
  5. Step 5: Solve for x
    x = 25,669,928.12/4,310.48
  6. Step 6: Final answer
    x = 5,955.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.