Home / 6,785.40-9,365.10-4,427.52

Finding the Fourth Proportional to 6,785.40, 9,365.10 and 4,427.52

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Solution

The fourth proportional to 6,785.40, 9,365.10 and 4,427.52 is: 6,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.40 : 9,365.10 = 4,427.52 : x
  2. Step 2: Convert to fraction form
    6,785.40/9,365.10 = 4,427.52/x
  3. Step 3: Cross multiply
    6,785.40x = 9,365.10 × 4,427.52
  4. Step 4: Simplify right side
    6,785.40x = 41,464,167.55
  5. Step 5: Solve for x
    x = 41,464,167.55/6,785.40
  6. Step 6: Final answer
    x = 6,110.79

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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.