Home / 4,689.47-7,035.45-1,402.59

Finding the Fourth Proportional to 4,689.47, 7,035.45 and 1,402.59

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Solution

The fourth proportional to 4,689.47, 7,035.45 and 1,402.59 is: 2,104.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.47 : 7,035.45 = 1,402.59 : x
  2. Step 2: Convert to fraction form
    4,689.47/7,035.45 = 1,402.59/x
  3. Step 3: Cross multiply
    4,689.47x = 7,035.45 × 1,402.59
  4. Step 4: Simplify right side
    4,689.47x = 9,867,851.82
  5. Step 5: Solve for x
    x = 9,867,851.82/4,689.47
  6. Step 6: Final answer
    x = 2,104.26

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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.