Home / 4,672.19-7,009.29-1,385.52

Finding the Fourth Proportional to 4,672.19, 7,009.29 and 1,385.52

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Solution

The fourth proportional to 4,672.19, 7,009.29 and 1,385.52 is: 2,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.19 : 7,009.29 = 1,385.52 : x
  2. Step 2: Convert to fraction form
    4,672.19/7,009.29 = 1,385.52/x
  3. Step 3: Cross multiply
    4,672.19x = 7,009.29 × 1,385.52
  4. Step 4: Simplify right side
    4,672.19x = 9,711,511.48
  5. Step 5: Solve for x
    x = 9,711,511.48/4,672.19
  6. Step 6: Final answer
    x = 2,078.58

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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.