Home / 7,325.39-10,109.95-4,138.84

Finding the Fourth Proportional to 7,325.39, 10,109.95 and 4,138.84

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Solution

The fourth proportional to 7,325.39, 10,109.95 and 4,138.84 is: 5,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.39 : 10,109.95 = 4,138.84 : x
  2. Step 2: Convert to fraction form
    7,325.39/10,109.95 = 4,138.84/x
  3. Step 3: Cross multiply
    7,325.39x = 10,109.95 × 4,138.84
  4. Step 4: Simplify right side
    7,325.39x = 41,843,429.84
  5. Step 5: Solve for x
    x = 41,843,429.84/7,325.39
  6. Step 6: Final answer
    x = 5,712.11

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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.