Home / 4,621.60-6,931.71-1,699.22

Finding the Fourth Proportional to 4,621.60, 6,931.71 and 1,699.22

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Solution

The fourth proportional to 4,621.60, 6,931.71 and 1,699.22 is: 2,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.60 : 6,931.71 = 1,699.22 : x
  2. Step 2: Convert to fraction form
    4,621.60/6,931.71 = 1,699.22/x
  3. Step 3: Cross multiply
    4,621.60x = 6,931.71 × 1,699.22
  4. Step 4: Simplify right side
    4,621.60x = 11,778,517.60
  5. Step 5: Solve for x
    x = 11,778,517.60/4,621.60
  6. Step 6: Final answer
    x = 2,548.58

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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.