Home / 7,130.57-10,695.83-1,936.44

Finding the Fourth Proportional to 7,130.57, 10,695.83 and 1,936.44

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Solution

The fourth proportional to 7,130.57, 10,695.83 and 1,936.44 is: 2,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.57 : 10,695.83 = 1,936.44 : x
  2. Step 2: Convert to fraction form
    7,130.57/10,695.83 = 1,936.44/x
  3. Step 3: Cross multiply
    7,130.57x = 10,695.83 × 1,936.44
  4. Step 4: Simplify right side
    7,130.57x = 20,711,823.36
  5. Step 5: Solve for x
    x = 20,711,823.36/7,130.57
  6. Step 6: Final answer
    x = 2,904.65

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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.