Home / 8,715.63-13,073.44-3,525.15

Finding the Fourth Proportional to 8,715.63, 13,073.44 and 3,525.15

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Solution

The fourth proportional to 8,715.63, 13,073.44 and 3,525.15 is: 5,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.63 : 13,073.44 = 3,525.15 : x
  2. Step 2: Convert to fraction form
    8,715.63/13,073.44 = 3,525.15/x
  3. Step 3: Cross multiply
    8,715.63x = 13,073.44 × 3,525.15
  4. Step 4: Simplify right side
    8,715.63x = 46,085,837.02
  5. Step 5: Solve for x
    x = 46,085,837.02/8,715.63
  6. Step 6: Final answer
    x = 5,287.72

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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.