Home / 7,328.16-10,994.06-2,886.12

Finding the Fourth Proportional to 7,328.16, 10,994.06 and 2,886.12

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Solution

The fourth proportional to 7,328.16, 10,994.06 and 2,886.12 is: 4,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.16 : 10,994.06 = 2,886.12 : x
  2. Step 2: Convert to fraction form
    7,328.16/10,994.06 = 2,886.12/x
  3. Step 3: Cross multiply
    7,328.16x = 10,994.06 × 2,886.12
  4. Step 4: Simplify right side
    7,328.16x = 31,730,183.66
  5. Step 5: Solve for x
    x = 31,730,183.66/7,328.16
  6. Step 6: Final answer
    x = 4,329.90

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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.