Home / 7,942.11-10,953.95-5,284.91

Finding the Fourth Proportional to 7,942.11, 10,953.95 and 5,284.91

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Solution

The fourth proportional to 7,942.11, 10,953.95 and 5,284.91 is: 7,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.11 : 10,953.95 = 5,284.91 : x
  2. Step 2: Convert to fraction form
    7,942.11/10,953.95 = 5,284.91/x
  3. Step 3: Cross multiply
    7,942.11x = 10,953.95 × 5,284.91
  4. Step 4: Simplify right side
    7,942.11x = 57,890,558.70
  5. Step 5: Solve for x
    x = 57,890,558.70/7,942.11
  6. Step 6: Final answer
    x = 7,289.07

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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.