Home / 5,353.32-8,028.90-1,457.40

Finding the Fourth Proportional to 5,353.32, 8,028.90 and 1,457.40

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Solution

The fourth proportional to 5,353.32, 8,028.90 and 1,457.40 is: 2,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.32 : 8,028.90 = 1,457.40 : x
  2. Step 2: Convert to fraction form
    5,353.32/8,028.90 = 1,457.40/x
  3. Step 3: Cross multiply
    5,353.32x = 8,028.90 × 1,457.40
  4. Step 4: Simplify right side
    5,353.32x = 11,701,318.86
  5. Step 5: Solve for x
    x = 11,701,318.86/5,353.32
  6. Step 6: Final answer
    x = 2,185.81

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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.