Home / 7,082.46-9,774.15-3,938.58

Finding the Fourth Proportional to 7,082.46, 9,774.15 and 3,938.58

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Solution

The fourth proportional to 7,082.46, 9,774.15 and 3,938.58 is: 5,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.46 : 9,774.15 = 3,938.58 : x
  2. Step 2: Convert to fraction form
    7,082.46/9,774.15 = 3,938.58/x
  3. Step 3: Cross multiply
    7,082.46x = 9,774.15 × 3,938.58
  4. Step 4: Simplify right side
    7,082.46x = 38,496,271.71
  5. Step 5: Solve for x
    x = 38,496,271.71/7,082.46
  6. Step 6: Final answer
    x = 5,435.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.