Home / 4,435.85-6,655.31-1,972.40

Finding the Fourth Proportional to 4,435.85, 6,655.31 and 1,972.40

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Solution

The fourth proportional to 4,435.85, 6,655.31 and 1,972.40 is: 2,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.85 : 6,655.31 = 1,972.40 : x
  2. Step 2: Convert to fraction form
    4,435.85/6,655.31 = 1,972.40/x
  3. Step 3: Cross multiply
    4,435.85x = 6,655.31 × 1,972.40
  4. Step 4: Simplify right side
    4,435.85x = 13,126,890.31
  5. Step 5: Solve for x
    x = 13,126,890.31/4,435.85
  6. Step 6: Final answer
    x = 2,959.28

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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.