Home / 6,681.68-10,019.40-2,785.04

Finding the Fourth Proportional to 6,681.68, 10,019.40 and 2,785.04

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Solution

The fourth proportional to 6,681.68, 10,019.40 and 2,785.04 is: 4,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.68 : 10,019.40 = 2,785.04 : x
  2. Step 2: Convert to fraction form
    6,681.68/10,019.40 = 2,785.04/x
  3. Step 3: Cross multiply
    6,681.68x = 10,019.40 × 2,785.04
  4. Step 4: Simplify right side
    6,681.68x = 27,904,429.78
  5. Step 5: Solve for x
    x = 27,904,429.78/6,681.68
  6. Step 6: Final answer
    x = 4,176.26

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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.