Home / 7,137.59-9,849.40-4,152.94

Finding the Fourth Proportional to 7,137.59, 9,849.40 and 4,152.94

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Solution

The fourth proportional to 7,137.59, 9,849.40 and 4,152.94 is: 5,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.59 : 9,849.40 = 4,152.94 : x
  2. Step 2: Convert to fraction form
    7,137.59/9,849.40 = 4,152.94/x
  3. Step 3: Cross multiply
    7,137.59x = 9,849.40 × 4,152.94
  4. Step 4: Simplify right side
    7,137.59x = 40,903,932.23
  5. Step 5: Solve for x
    x = 40,903,932.23/7,137.59
  6. Step 6: Final answer
    x = 5,730.78

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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.