Home / 7,807.06-11,708.18-4,107.28

Finding the Fourth Proportional to 7,807.06, 11,708.18 and 4,107.28

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Solution

The fourth proportional to 7,807.06, 11,708.18 and 4,107.28 is: 6,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807.06 : 11,708.18 = 4,107.28 : x
  2. Step 2: Convert to fraction form
    7,807.06/11,708.18 = 4,107.28/x
  3. Step 3: Cross multiply
    7,807.06x = 11,708.18 × 4,107.28
  4. Step 4: Simplify right side
    7,807.06x = 48,088,773.55
  5. Step 5: Solve for x
    x = 48,088,773.55/7,807.06
  6. Step 6: Final answer
    x = 6,159.65

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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.