Home / 4,386.44-6,580.80-1,921.74

Finding the Fourth Proportional to 4,386.44, 6,580.80 and 1,921.74

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Solution

The fourth proportional to 4,386.44, 6,580.80 and 1,921.74 is: 2,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.44 : 6,580.80 = 1,921.74 : x
  2. Step 2: Convert to fraction form
    4,386.44/6,580.80 = 1,921.74/x
  3. Step 3: Cross multiply
    4,386.44x = 6,580.80 × 1,921.74
  4. Step 4: Simplify right side
    4,386.44x = 12,646,586.59
  5. Step 5: Solve for x
    x = 12,646,586.59/4,386.44
  6. Step 6: Final answer
    x = 2,883.11

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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.