Home / 8,710.07-12,016.76-5,173.20

Finding the Fourth Proportional to 8,710.07, 12,016.76 and 5,173.20

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Solution

The fourth proportional to 8,710.07, 12,016.76 and 5,173.20 is: 7,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.07 : 12,016.76 = 5,173.20 : x
  2. Step 2: Convert to fraction form
    8,710.07/12,016.76 = 5,173.20/x
  3. Step 3: Cross multiply
    8,710.07x = 12,016.76 × 5,173.20
  4. Step 4: Simplify right side
    8,710.07x = 62,165,076.97
  5. Step 5: Solve for x
    x = 62,165,076.97/8,710.07
  6. Step 6: Final answer
    x = 7,137.15

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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.