Home / 7,504.12-10,358.94-5,158.36

Finding the Fourth Proportional to 7,504.12, 10,358.94 and 5,158.36

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Solution

The fourth proportional to 7,504.12, 10,358.94 and 5,158.36 is: 7,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.12 : 10,358.94 = 5,158.36 : x
  2. Step 2: Convert to fraction form
    7,504.12/10,358.94 = 5,158.36/x
  3. Step 3: Cross multiply
    7,504.12x = 10,358.94 × 5,158.36
  4. Step 4: Simplify right side
    7,504.12x = 53,435,141.74
  5. Step 5: Solve for x
    x = 53,435,141.74/7,504.12
  6. Step 6: Final answer
    x = 7,120.77

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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.