Home / 4,619.60-6,931.56-2,022.20

Finding the Fourth Proportional to 4,619.60, 6,931.56 and 2,022.20

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Solution

The fourth proportional to 4,619.60, 6,931.56 and 2,022.20 is: 3,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.60 : 6,931.56 = 2,022.20 : x
  2. Step 2: Convert to fraction form
    4,619.60/6,931.56 = 2,022.20/x
  3. Step 3: Cross multiply
    4,619.60x = 6,931.56 × 2,022.20
  4. Step 4: Simplify right side
    4,619.60x = 14,017,000.63
  5. Step 5: Solve for x
    x = 14,017,000.63/4,619.60
  6. Step 6: Final answer
    x = 3,034.25

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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.