Home / 7,328.87-10,994.68-2,398.78

Finding the Fourth Proportional to 7,328.87, 10,994.68 and 2,398.78

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Solution

The fourth proportional to 7,328.87, 10,994.68 and 2,398.78 is: 3,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.87 : 10,994.68 = 2,398.78 : x
  2. Step 2: Convert to fraction form
    7,328.87/10,994.68 = 2,398.78/x
  3. Step 3: Cross multiply
    7,328.87x = 10,994.68 × 2,398.78
  4. Step 4: Simplify right side
    7,328.87x = 26,373,818.49
  5. Step 5: Solve for x
    x = 26,373,818.49/7,328.87
  6. Step 6: Final answer
    x = 3,598.62

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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.