Home / 9,790.38-14,685.57-2,864.88

Finding the Fourth Proportional to 9,790.38, 14,685.57 and 2,864.88

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Solution

The fourth proportional to 9,790.38, 14,685.57 and 2,864.88 is: 4,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.38 : 14,685.57 = 2,864.88 : x
  2. Step 2: Convert to fraction form
    9,790.38/14,685.57 = 2,864.88/x
  3. Step 3: Cross multiply
    9,790.38x = 14,685.57 × 2,864.88
  4. Step 4: Simplify right side
    9,790.38x = 42,072,395.78
  5. Step 5: Solve for x
    x = 42,072,395.78/9,790.38
  6. Step 6: Final answer
    x = 4,297.32

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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.