Home / 7,437.88-11,146.16-4,477.56

Finding the Fourth Proportional to 7,437.88, 11,146.16 and 4,477.56

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Solution

The fourth proportional to 7,437.88, 11,146.16 and 4,477.56 is: 6,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.88 : 11,146.16 = 4,477.56 : x
  2. Step 2: Convert to fraction form
    7,437.88/11,146.16 = 4,477.56/x
  3. Step 3: Cross multiply
    7,437.88x = 11,146.16 × 4,477.56
  4. Step 4: Simplify right side
    7,437.88x = 49,907,600.17
  5. Step 5: Solve for x
    x = 49,907,600.17/7,437.88
  6. Step 6: Final answer
    x = 6,709.92

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1.5x scale

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.