Home / 5,428.77-8,142.24-2,466.30

Finding the Fourth Proportional to 5,428.77, 8,142.24 and 2,466.30

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Solution

The fourth proportional to 5,428.77, 8,142.24 and 2,466.30 is: 3,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.77 : 8,142.24 = 2,466.30 : x
  2. Step 2: Convert to fraction form
    5,428.77/8,142.24 = 2,466.30/x
  3. Step 3: Cross multiply
    5,428.77x = 8,142.24 × 2,466.30
  4. Step 4: Simplify right side
    5,428.77x = 20,081,206.51
  5. Step 5: Solve for x
    x = 20,081,206.51/5,428.77
  6. Step 6: Final answer
    x = 3,699.03

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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.