Home / 7,669.39-11,492.34-5,161.28

Finding the Fourth Proportional to 7,669.39, 11,492.34 and 5,161.28

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Solution

The fourth proportional to 7,669.39, 11,492.34 and 5,161.28 is: 7,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.39 : 11,492.34 = 5,161.28 : x
  2. Step 2: Convert to fraction form
    7,669.39/11,492.34 = 5,161.28/x
  3. Step 3: Cross multiply
    7,669.39x = 11,492.34 × 5,161.28
  4. Step 4: Simplify right side
    7,669.39x = 59,315,142.96
  5. Step 5: Solve for x
    x = 59,315,142.96/7,669.39
  6. Step 6: Final answer
    x = 7,734.01

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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.