Home / 7,515.63-11,272.63-2,585.16

Finding the Fourth Proportional to 7,515.63, 11,272.63 and 2,585.16

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Solution

The fourth proportional to 7,515.63, 11,272.63 and 2,585.16 is: 3,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.63 : 11,272.63 = 2,585.16 : x
  2. Step 2: Convert to fraction form
    7,515.63/11,272.63 = 2,585.16/x
  3. Step 3: Cross multiply
    7,515.63x = 11,272.63 × 2,585.16
  4. Step 4: Simplify right side
    7,515.63x = 29,141,552.17
  5. Step 5: Solve for x
    x = 29,141,552.17/7,515.63
  6. Step 6: Final answer
    x = 3,877.46

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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.