Home / 7,325.51-10,106.57-4,179.87

Finding the Fourth Proportional to 7,325.51, 10,106.57 and 4,179.87

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Solution

The fourth proportional to 7,325.51, 10,106.57 and 4,179.87 is: 5,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.51 : 10,106.57 = 4,179.87 : x
  2. Step 2: Convert to fraction form
    7,325.51/10,106.57 = 4,179.87/x
  3. Step 3: Cross multiply
    7,325.51x = 10,106.57 × 4,179.87
  4. Step 4: Simplify right side
    7,325.51x = 42,244,127.85
  5. Step 5: Solve for x
    x = 42,244,127.85/7,325.51
  6. Step 6: Final answer
    x = 5,766.72

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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.