Home / 7,037.64-9,711.50-3,893.63

Finding the Fourth Proportional to 7,037.64, 9,711.50 and 3,893.63

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Solution

The fourth proportional to 7,037.64, 9,711.50 and 3,893.63 is: 5,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.64 : 9,711.50 = 3,893.63 : x
  2. Step 2: Convert to fraction form
    7,037.64/9,711.50 = 3,893.63/x
  3. Step 3: Cross multiply
    7,037.64x = 9,711.50 × 3,893.63
  4. Step 4: Simplify right side
    7,037.64x = 37,812,919.72
  5. Step 5: Solve for x
    x = 37,812,919.72/7,037.64
  6. Step 6: Final answer
    x = 5,372.95

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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.