Home / 5,396.40-7,446.76-3,038.68

Finding the Fourth Proportional to 5,396.40, 7,446.76 and 3,038.68

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Solution

The fourth proportional to 5,396.40, 7,446.76 and 3,038.68 is: 4,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.40 : 7,446.76 = 3,038.68 : x
  2. Step 2: Convert to fraction form
    5,396.40/7,446.76 = 3,038.68/x
  3. Step 3: Cross multiply
    5,396.40x = 7,446.76 × 3,038.68
  4. Step 4: Simplify right side
    5,396.40x = 22,628,320.68
  5. Step 5: Solve for x
    x = 22,628,320.68/5,396.40
  6. Step 6: Final answer
    x = 4,193.23

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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.