Home / 5,681.53-8,520.96-2,170.26

Finding the Fourth Proportional to 5,681.53, 8,520.96 and 2,170.26

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Solution

The fourth proportional to 5,681.53, 8,520.96 and 2,170.26 is: 3,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.53 : 8,520.96 = 2,170.26 : x
  2. Step 2: Convert to fraction form
    5,681.53/8,520.96 = 2,170.26/x
  3. Step 3: Cross multiply
    5,681.53x = 8,520.96 × 2,170.26
  4. Step 4: Simplify right side
    5,681.53x = 18,492,698.65
  5. Step 5: Solve for x
    x = 18,492,698.65/5,681.53
  6. Step 6: Final answer
    x = 3,254.88

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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.