Home / 4,679.60-7,019.37-1,905.62

Finding the Fourth Proportional to 4,679.60, 7,019.37 and 1,905.62

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Solution

The fourth proportional to 4,679.60, 7,019.37 and 1,905.62 is: 2,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.60 : 7,019.37 = 1,905.62 : x
  2. Step 2: Convert to fraction form
    4,679.60/7,019.37 = 1,905.62/x
  3. Step 3: Cross multiply
    4,679.60x = 7,019.37 × 1,905.62
  4. Step 4: Simplify right side
    4,679.60x = 13,376,216.76
  5. Step 5: Solve for x
    x = 13,376,216.76/4,679.60
  6. Step 6: Final answer
    x = 2,858.41

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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.