Home / 4,689.30-7,034.31-1,402.14

Finding the Fourth Proportional to 4,689.30, 7,034.31 and 1,402.14

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Solution

The fourth proportional to 4,689.30, 7,034.31 and 1,402.14 is: 2,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.30 : 7,034.31 = 1,402.14 : x
  2. Step 2: Convert to fraction form
    4,689.30/7,034.31 = 1,402.14/x
  3. Step 3: Cross multiply
    4,689.30x = 7,034.31 × 1,402.14
  4. Step 4: Simplify right side
    4,689.30x = 9,863,087.42
  5. Step 5: Solve for x
    x = 9,863,087.42/4,689.30
  6. Step 6: Final answer
    x = 2,103.32

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1.5x scale

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.