Home / 9,116.88-12,585.96-6,317.52

Finding the Fourth Proportional to 9,116.88, 12,585.96 and 6,317.52

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Solution

The fourth proportional to 9,116.88, 12,585.96 and 6,317.52 is: 8,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.88 : 12,585.96 = 6,317.52 : x
  2. Step 2: Convert to fraction form
    9,116.88/12,585.96 = 6,317.52/x
  3. Step 3: Cross multiply
    9,116.88x = 12,585.96 × 6,317.52
  4. Step 4: Simplify right side
    9,116.88x = 79,512,054.02
  5. Step 5: Solve for x
    x = 79,512,054.02/9,116.88
  6. Step 6: Final answer
    x = 8,721.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.