Home / 5,681.46-8,523.53-1,785.85

Finding the Fourth Proportional to 5,681.46, 8,523.53 and 1,785.85

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Solution

The fourth proportional to 5,681.46, 8,523.53 and 1,785.85 is: 2,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.46 : 8,523.53 = 1,785.85 : x
  2. Step 2: Convert to fraction form
    5,681.46/8,523.53 = 1,785.85/x
  3. Step 3: Cross multiply
    5,681.46x = 8,523.53 × 1,785.85
  4. Step 4: Simplify right side
    5,681.46x = 15,221,746.05
  5. Step 5: Solve for x
    x = 15,221,746.05/5,681.46
  6. Step 6: Final answer
    x = 2,679.20

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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.