Home / 5,153.23-7,111.93-3,239.36

Finding the Fourth Proportional to 5,153.23, 7,111.93 and 3,239.36

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Solution

The fourth proportional to 5,153.23, 7,111.93 and 3,239.36 is: 4,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.23 : 7,111.93 = 3,239.36 : x
  2. Step 2: Convert to fraction form
    5,153.23/7,111.93 = 3,239.36/x
  3. Step 3: Cross multiply
    5,153.23x = 7,111.93 × 3,239.36
  4. Step 4: Simplify right side
    5,153.23x = 23,038,101.56
  5. Step 5: Solve for x
    x = 23,038,101.56/5,153.23
  6. Step 6: Final answer
    x = 4,470.61

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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.