Home / 7,037.76-9,711.98-3,893.94

Finding the Fourth Proportional to 7,037.76, 9,711.98 and 3,893.94

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Solution

The fourth proportional to 7,037.76, 9,711.98 and 3,893.94 is: 5,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.76 : 9,711.98 = 3,893.94 : x
  2. Step 2: Convert to fraction form
    7,037.76/9,711.98 = 3,893.94/x
  3. Step 3: Cross multiply
    7,037.76x = 9,711.98 × 3,893.94
  4. Step 4: Simplify right side
    7,037.76x = 37,817,867.40
  5. Step 5: Solve for x
    x = 37,817,867.40/7,037.76
  6. Step 6: Final answer
    x = 5,373.57

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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.