Home / 6,427.52-8,869.88-3,774.46

Finding the Fourth Proportional to 6,427.52, 8,869.88 and 3,774.46

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Solution

The fourth proportional to 6,427.52, 8,869.88 and 3,774.46 is: 5,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.52 : 8,869.88 = 3,774.46 : x
  2. Step 2: Convert to fraction form
    6,427.52/8,869.88 = 3,774.46/x
  3. Step 3: Cross multiply
    6,427.52x = 8,869.88 × 3,774.46
  4. Step 4: Simplify right side
    6,427.52x = 33,479,007.26
  5. Step 5: Solve for x
    x = 33,479,007.26/6,427.52
  6. Step 6: Final answer
    x = 5,208.70

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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.