Home / 5,477.90-8,215.97-1,967.31

Finding the Fourth Proportional to 5,477.90, 8,215.97 and 1,967.31

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Solution

The fourth proportional to 5,477.90, 8,215.97 and 1,967.31 is: 2,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.90 : 8,215.97 = 1,967.31 : x
  2. Step 2: Convert to fraction form
    5,477.90/8,215.97 = 1,967.31/x
  3. Step 3: Cross multiply
    5,477.90x = 8,215.97 × 1,967.31
  4. Step 4: Simplify right side
    5,477.90x = 16,163,350.10
  5. Step 5: Solve for x
    x = 16,163,350.10/5,477.90
  6. Step 6: Final answer
    x = 2,950.65

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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.