Home / 4,667.60-6,441.40-2,679.20

Finding the Fourth Proportional to 4,667.60, 6,441.40 and 2,679.20

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Solution

The fourth proportional to 4,667.60, 6,441.40 and 2,679.20 is: 3,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.60 : 6,441.40 = 2,679.20 : x
  2. Step 2: Convert to fraction form
    4,667.60/6,441.40 = 2,679.20/x
  3. Step 3: Cross multiply
    4,667.60x = 6,441.40 × 2,679.20
  4. Step 4: Simplify right side
    4,667.60x = 17,257,798.88
  5. Step 5: Solve for x
    x = 17,257,798.88/4,667.60
  6. Step 6: Final answer
    x = 3,697.36

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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.