Home / 4,948.12-7,422.30-1,661.32

Finding the Fourth Proportional to 4,948.12, 7,422.30 and 1,661.32

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Solution

The fourth proportional to 4,948.12, 7,422.30 and 1,661.32 is: 2,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.12 : 7,422.30 = 1,661.32 : x
  2. Step 2: Convert to fraction form
    4,948.12/7,422.30 = 1,661.32/x
  3. Step 3: Cross multiply
    4,948.12x = 7,422.30 × 1,661.32
  4. Step 4: Simplify right side
    4,948.12x = 12,330,815.44
  5. Step 5: Solve for x
    x = 12,330,815.44/4,948.12
  6. Step 6: Final answer
    x = 2,492.02

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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.