Home / 5,153.51-7,111.17-3,360.17

Finding the Fourth Proportional to 5,153.51, 7,111.17 and 3,360.17

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Solution

The fourth proportional to 5,153.51, 7,111.17 and 3,360.17 is: 4,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.51 : 7,111.17 = 3,360.17 : x
  2. Step 2: Convert to fraction form
    5,153.51/7,111.17 = 3,360.17/x
  3. Step 3: Cross multiply
    5,153.51x = 7,111.17 × 3,360.17
  4. Step 4: Simplify right side
    5,153.51x = 23,894,757.88
  5. Step 5: Solve for x
    x = 23,894,757.88/5,153.51
  6. Step 6: Final answer
    x = 4,636.60

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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.