Home / 7,518.75-11,280.29-2,254.16

Finding the Fourth Proportional to 7,518.75, 11,280.29 and 2,254.16

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Solution

The fourth proportional to 7,518.75, 11,280.29 and 2,254.16 is: 3,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.75 : 11,280.29 = 2,254.16 : x
  2. Step 2: Convert to fraction form
    7,518.75/11,280.29 = 2,254.16/x
  3. Step 3: Cross multiply
    7,518.75x = 11,280.29 × 2,254.16
  4. Step 4: Simplify right side
    7,518.75x = 25,427,510.83
  5. Step 5: Solve for x
    x = 25,427,510.83/7,518.75
  6. Step 6: Final answer
    x = 3,381.88

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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.