Home / 7,425.31-10,246.65-4,238.77

Finding the Fourth Proportional to 7,425.31, 10,246.65 and 4,238.77

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Solution

The fourth proportional to 7,425.31, 10,246.65 and 4,238.77 is: 5,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.31 : 10,246.65 = 4,238.77 : x
  2. Step 2: Convert to fraction form
    7,425.31/10,246.65 = 4,238.77/x
  3. Step 3: Cross multiply
    7,425.31x = 10,246.65 × 4,238.77
  4. Step 4: Simplify right side
    7,425.31x = 43,433,141.39
  5. Step 5: Solve for x
    x = 43,433,141.39/7,425.31
  6. Step 6: Final answer
    x = 5,849.34

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Half scale
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Double scale
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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.