Home / 7,134.66-9,845.15-4,830.35

Finding the Fourth Proportional to 7,134.66, 9,845.15 and 4,830.35

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Solution

The fourth proportional to 7,134.66, 9,845.15 and 4,830.35 is: 6,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.66 : 9,845.15 = 4,830.35 : x
  2. Step 2: Convert to fraction form
    7,134.66/9,845.15 = 4,830.35/x
  3. Step 3: Cross multiply
    7,134.66x = 9,845.15 × 4,830.35
  4. Step 4: Simplify right side
    7,134.66x = 47,555,574.41
  5. Step 5: Solve for x
    x = 47,555,574.41/7,134.66
  6. Step 6: Final answer
    x = 6,665.43

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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.