Home / 9,102.05-12,560.29-5,122.93

Finding the Fourth Proportional to 9,102.05, 12,560.29 and 5,122.93

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Solution

The fourth proportional to 9,102.05, 12,560.29 and 5,122.93 is: 7,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.05 : 12,560.29 = 5,122.93 : x
  2. Step 2: Convert to fraction form
    9,102.05/12,560.29 = 5,122.93/x
  3. Step 3: Cross multiply
    9,102.05x = 12,560.29 × 5,122.93
  4. Step 4: Simplify right side
    9,102.05x = 64,345,486.45
  5. Step 5: Solve for x
    x = 64,345,486.45/9,102.05
  6. Step 6: Final answer
    x = 7,069.34

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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.