Home / 4,689.06-7,034.50-1,402.08

Finding the Fourth Proportional to 4,689.06, 7,034.50 and 1,402.08

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Solution

The fourth proportional to 4,689.06, 7,034.50 and 1,402.08 is: 2,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.06 : 7,034.50 = 1,402.08 : x
  2. Step 2: Convert to fraction form
    4,689.06/7,034.50 = 1,402.08/x
  3. Step 3: Cross multiply
    4,689.06x = 7,034.50 × 1,402.08
  4. Step 4: Simplify right side
    4,689.06x = 9,862,931.76
  5. Step 5: Solve for x
    x = 9,862,931.76/4,689.06
  6. Step 6: Final answer
    x = 2,103.39

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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.