Home / 5,477.06-8,215.73-1,581.50

Finding the Fourth Proportional to 5,477.06, 8,215.73 and 1,581.50

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Solution

The fourth proportional to 5,477.06, 8,215.73 and 1,581.50 is: 2,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.06 : 8,215.73 = 1,581.50 : x
  2. Step 2: Convert to fraction form
    5,477.06/8,215.73 = 1,581.50/x
  3. Step 3: Cross multiply
    5,477.06x = 8,215.73 × 1,581.50
  4. Step 4: Simplify right side
    5,477.06x = 12,993,177.00
  5. Step 5: Solve for x
    x = 12,993,177.00/5,477.06
  6. Step 6: Final answer
    x = 2,372.29

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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.