Home / 7,278.08-10,908.96-2,894.36

Finding the Fourth Proportional to 7,278.08, 10,908.96 and 2,894.36

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Solution

The fourth proportional to 7,278.08, 10,908.96 and 2,894.36 is: 4,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.08 : 10,908.96 = 2,894.36 : x
  2. Step 2: Convert to fraction form
    7,278.08/10,908.96 = 2,894.36/x
  3. Step 3: Cross multiply
    7,278.08x = 10,908.96 × 2,894.36
  4. Step 4: Simplify right side
    7,278.08x = 31,574,457.47
  5. Step 5: Solve for x
    x = 31,574,457.47/7,278.08
  6. Step 6: Final answer
    x = 4,338.29

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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.