Home / 7,501.61-11,254.34-2,571.31

Finding the Fourth Proportional to 7,501.61, 11,254.34 and 2,571.31

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Solution

The fourth proportional to 7,501.61, 11,254.34 and 2,571.31 is: 3,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.61 : 11,254.34 = 2,571.31 : x
  2. Step 2: Convert to fraction form
    7,501.61/11,254.34 = 2,571.31/x
  3. Step 3: Cross multiply
    7,501.61x = 11,254.34 × 2,571.31
  4. Step 4: Simplify right side
    7,501.61x = 28,938,417.48
  5. Step 5: Solve for x
    x = 28,938,417.48/7,501.61
  6. Step 6: Final answer
    x = 3,857.63

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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.