Home / 5,475.36-8,214.19-1,777.30

Finding the Fourth Proportional to 5,475.36, 8,214.19 and 1,777.30

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Solution

The fourth proportional to 5,475.36, 8,214.19 and 1,777.30 is: 2,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.36 : 8,214.19 = 1,777.30 : x
  2. Step 2: Convert to fraction form
    5,475.36/8,214.19 = 1,777.30/x
  3. Step 3: Cross multiply
    5,475.36x = 8,214.19 × 1,777.30
  4. Step 4: Simplify right side
    5,475.36x = 14,599,079.89
  5. Step 5: Solve for x
    x = 14,599,079.89/5,475.36
  6. Step 6: Final answer
    x = 2,666.32

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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.