Home / 4,680.12-6,458.32-2,690.22

Finding the Fourth Proportional to 4,680.12, 6,458.32 and 2,690.22

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Solution

The fourth proportional to 4,680.12, 6,458.32 and 2,690.22 is: 3,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.12 : 6,458.32 = 2,690.22 : x
  2. Step 2: Convert to fraction form
    4,680.12/6,458.32 = 2,690.22/x
  3. Step 3: Cross multiply
    4,680.12x = 6,458.32 × 2,690.22
  4. Step 4: Simplify right side
    4,680.12x = 17,374,301.63
  5. Step 5: Solve for x
    x = 17,374,301.63/4,680.12
  6. Step 6: Final answer
    x = 3,712.36

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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.