Home / 5,445.07-7,511.42-3,557.76

Finding the Fourth Proportional to 5,445.07, 7,511.42 and 3,557.76

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Solution

The fourth proportional to 5,445.07, 7,511.42 and 3,557.76 is: 4,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.07 : 7,511.42 = 3,557.76 : x
  2. Step 2: Convert to fraction form
    5,445.07/7,511.42 = 3,557.76/x
  3. Step 3: Cross multiply
    5,445.07x = 7,511.42 × 3,557.76
  4. Step 4: Simplify right side
    5,445.07x = 26,723,806.64
  5. Step 5: Solve for x
    x = 26,723,806.64/5,445.07
  6. Step 6: Final answer
    x = 4,907.89

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1.5x scale

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.