Home / 7,435.17-10,260.83-4,078.11

Finding the Fourth Proportional to 7,435.17, 10,260.83 and 4,078.11

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Solution

The fourth proportional to 7,435.17, 10,260.83 and 4,078.11 is: 5,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.17 : 10,260.83 = 4,078.11 : x
  2. Step 2: Convert to fraction form
    7,435.17/10,260.83 = 4,078.11/x
  3. Step 3: Cross multiply
    7,435.17x = 10,260.83 × 4,078.11
  4. Step 4: Simplify right side
    7,435.17x = 41,844,742.13
  5. Step 5: Solve for x
    x = 41,844,742.13/7,435.17
  6. Step 6: Final answer
    x = 5,627.95

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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.