Home / 8,725.07-12,042.14-5,140.22

Finding the Fourth Proportional to 8,725.07, 12,042.14 and 5,140.22

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Solution

The fourth proportional to 8,725.07, 12,042.14 and 5,140.22 is: 7,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.07 : 12,042.14 = 5,140.22 : x
  2. Step 2: Convert to fraction form
    8,725.07/12,042.14 = 5,140.22/x
  3. Step 3: Cross multiply
    8,725.07x = 12,042.14 × 5,140.22
  4. Step 4: Simplify right side
    8,725.07x = 61,899,248.87
  5. Step 5: Solve for x
    x = 61,899,248.87/8,725.07
  6. Step 6: Final answer
    x = 7,094.41

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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.