Home / 7,350.94-10,998.85-4,378.51

Finding the Fourth Proportional to 7,350.94, 10,998.85 and 4,378.51

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Solution

The fourth proportional to 7,350.94, 10,998.85 and 4,378.51 is: 6,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.94 : 10,998.85 = 4,378.51 : x
  2. Step 2: Convert to fraction form
    7,350.94/10,998.85 = 4,378.51/x
  3. Step 3: Cross multiply
    7,350.94x = 10,998.85 × 4,378.51
  4. Step 4: Simplify right side
    7,350.94x = 48,158,552.82
  5. Step 5: Solve for x
    x = 48,158,552.82/7,350.94
  6. Step 6: Final answer
    x = 6,551.35

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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.