Home / 4,688.10-7,026.68-2,085.57

Finding the Fourth Proportional to 4,688.10, 7,026.68 and 2,085.57

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Solution

The fourth proportional to 4,688.10, 7,026.68 and 2,085.57 is: 3,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.10 : 7,026.68 = 2,085.57 : x
  2. Step 2: Convert to fraction form
    4,688.10/7,026.68 = 2,085.57/x
  3. Step 3: Cross multiply
    4,688.10x = 7,026.68 × 2,085.57
  4. Step 4: Simplify right side
    4,688.10x = 14,654,622.58
  5. Step 5: Solve for x
    x = 14,654,622.58/4,688.10
  6. Step 6: Final answer
    x = 3,125.92

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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.