Home / 4,458.06-6,686.82-1,380.06

Finding the Fourth Proportional to 4,458.06, 6,686.82 and 1,380.06

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Solution

The fourth proportional to 4,458.06, 6,686.82 and 1,380.06 is: 2,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.06 : 6,686.82 = 1,380.06 : x
  2. Step 2: Convert to fraction form
    4,458.06/6,686.82 = 1,380.06/x
  3. Step 3: Cross multiply
    4,458.06x = 6,686.82 × 1,380.06
  4. Step 4: Simplify right side
    4,458.06x = 9,228,212.81
  5. Step 5: Solve for x
    x = 9,228,212.81/4,458.06
  6. Step 6: Final answer
    x = 2,070.01

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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.