Home / 4,421.07-6,631.70-1,458.56

Finding the Fourth Proportional to 4,421.07, 6,631.70 and 1,458.56

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Solution

The fourth proportional to 4,421.07, 6,631.70 and 1,458.56 is: 2,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.07 : 6,631.70 = 1,458.56 : x
  2. Step 2: Convert to fraction form
    4,421.07/6,631.70 = 1,458.56/x
  3. Step 3: Cross multiply
    4,421.07x = 6,631.70 × 1,458.56
  4. Step 4: Simplify right side
    4,421.07x = 9,672,715.77
  5. Step 5: Solve for x
    x = 9,672,715.77/4,421.07
  6. Step 6: Final answer
    x = 2,187.87

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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.