Home / 4,667.64-7,000.80-1,380.60

Finding the Fourth Proportional to 4,667.64, 7,000.80 and 1,380.60

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Solution

The fourth proportional to 4,667.64, 7,000.80 and 1,380.60 is: 2,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.64 : 7,000.80 = 1,380.60 : x
  2. Step 2: Convert to fraction form
    4,667.64/7,000.80 = 1,380.60/x
  3. Step 3: Cross multiply
    4,667.64x = 7,000.80 × 1,380.60
  4. Step 4: Simplify right side
    4,667.64x = 9,665,304.48
  5. Step 5: Solve for x
    x = 9,665,304.48/4,667.64
  6. Step 6: Final answer
    x = 2,070.70

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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.