Home / 9,840.67-14,762.90-3,178.96

Finding the Fourth Proportional to 9,840.67, 14,762.90 and 3,178.96

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Solution

The fourth proportional to 9,840.67, 14,762.90 and 3,178.96 is: 4,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.67 : 14,762.90 = 3,178.96 : x
  2. Step 2: Convert to fraction form
    9,840.67/14,762.90 = 3,178.96/x
  3. Step 3: Cross multiply
    9,840.67x = 14,762.90 × 3,178.96
  4. Step 4: Simplify right side
    9,840.67x = 46,930,639.62
  5. Step 5: Solve for x
    x = 46,930,639.62/9,840.67
  6. Step 6: Final answer
    x = 4,769.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.