Home / 7,389.11-10,197.84-5,398.67

Finding the Fourth Proportional to 7,389.11, 10,197.84 and 5,398.67

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Solution

The fourth proportional to 7,389.11, 10,197.84 and 5,398.67 is: 7,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.11 : 10,197.84 = 5,398.67 : x
  2. Step 2: Convert to fraction form
    7,389.11/10,197.84 = 5,398.67/x
  3. Step 3: Cross multiply
    7,389.11x = 10,197.84 × 5,398.67
  4. Step 4: Simplify right side
    7,389.11x = 55,054,772.87
  5. Step 5: Solve for x
    x = 55,054,772.87/7,389.11
  6. Step 6: Final answer
    x = 7,450.80

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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.