Home / 7,010.39-10,513.95-2,078.84

Finding the Fourth Proportional to 7,010.39, 10,513.95 and 2,078.84

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Solution

The fourth proportional to 7,010.39, 10,513.95 and 2,078.84 is: 3,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.39 : 10,513.95 = 2,078.84 : x
  2. Step 2: Convert to fraction form
    7,010.39/10,513.95 = 2,078.84/x
  3. Step 3: Cross multiply
    7,010.39x = 10,513.95 × 2,078.84
  4. Step 4: Simplify right side
    7,010.39x = 21,856,767.25
  5. Step 5: Solve for x
    x = 21,856,767.25/7,010.39
  6. Step 6: Final answer
    x = 3,117.77

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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.