Home / 7,825.10-11,742.21-2,898.18

Finding the Fourth Proportional to 7,825.10, 11,742.21 and 2,898.18

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Solution

The fourth proportional to 7,825.10, 11,742.21 and 2,898.18 is: 4,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.10 : 11,742.21 = 2,898.18 : x
  2. Step 2: Convert to fraction form
    7,825.10/11,742.21 = 2,898.18/x
  3. Step 3: Cross multiply
    7,825.10x = 11,742.21 × 2,898.18
  4. Step 4: Simplify right side
    7,825.10x = 34,031,038.18
  5. Step 5: Solve for x
    x = 34,031,038.18/7,825.10
  6. Step 6: Final answer
    x = 4,348.96

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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.