Home / 4,420.70-6,631.18-1,133.82

Finding the Fourth Proportional to 4,420.70, 6,631.18 and 1,133.82

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Solution

The fourth proportional to 4,420.70, 6,631.18 and 1,133.82 is: 1,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.70 : 6,631.18 = 1,133.82 : x
  2. Step 2: Convert to fraction form
    4,420.70/6,631.18 = 1,133.82/x
  3. Step 3: Cross multiply
    4,420.70x = 6,631.18 × 1,133.82
  4. Step 4: Simplify right side
    4,420.70x = 7,518,564.51
  5. Step 5: Solve for x
    x = 7,518,564.51/4,420.70
  6. Step 6: Final answer
    x = 1,700.76

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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.