Home / 8,763.07-13,146.35-3,216.47

Finding the Fourth Proportional to 8,763.07, 13,146.35 and 3,216.47

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Solution

The fourth proportional to 8,763.07, 13,146.35 and 3,216.47 is: 4,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.07 : 13,146.35 = 3,216.47 : x
  2. Step 2: Convert to fraction form
    8,763.07/13,146.35 = 3,216.47/x
  3. Step 3: Cross multiply
    8,763.07x = 13,146.35 × 3,216.47
  4. Step 4: Simplify right side
    8,763.07x = 42,284,869.10
  5. Step 5: Solve for x
    x = 42,284,869.10/8,763.07
  6. Step 6: Final answer
    x = 4,825.35

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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.