Home / 5,343.53-8,018.30-2,878.29

Finding the Fourth Proportional to 5,343.53, 8,018.30 and 2,878.29

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Solution

The fourth proportional to 5,343.53, 8,018.30 and 2,878.29 is: 4,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.53 : 8,018.30 = 2,878.29 : x
  2. Step 2: Convert to fraction form
    5,343.53/8,018.30 = 2,878.29/x
  3. Step 3: Cross multiply
    5,343.53x = 8,018.30 × 2,878.29
  4. Step 4: Simplify right side
    5,343.53x = 23,078,999.90
  5. Step 5: Solve for x
    x = 23,078,999.90/5,343.53
  6. Step 6: Final answer
    x = 4,319.06

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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.