Home / 7,308.38-10,086.32-4,477.66

Finding the Fourth Proportional to 7,308.38, 10,086.32 and 4,477.66

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Solution

The fourth proportional to 7,308.38, 10,086.32 and 4,477.66 is: 6,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.38 : 10,086.32 = 4,477.66 : x
  2. Step 2: Convert to fraction form
    7,308.38/10,086.32 = 4,477.66/x
  3. Step 3: Cross multiply
    7,308.38x = 10,086.32 × 4,477.66
  4. Step 4: Simplify right side
    7,308.38x = 45,163,111.61
  5. Step 5: Solve for x
    x = 45,163,111.61/7,308.38
  6. Step 6: Final answer
    x = 6,179.63

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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.