Home / 5,380.83-8,071.80-1,485.24

Finding the Fourth Proportional to 5,380.83, 8,071.80 and 1,485.24

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Solution

The fourth proportional to 5,380.83, 8,071.80 and 1,485.24 is: 2,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.83 : 8,071.80 = 1,485.24 : x
  2. Step 2: Convert to fraction form
    5,380.83/8,071.80 = 1,485.24/x
  3. Step 3: Cross multiply
    5,380.83x = 8,071.80 × 1,485.24
  4. Step 4: Simplify right side
    5,380.83x = 11,988,532.75
  5. Step 5: Solve for x
    x = 11,988,532.75/5,380.83
  6. Step 6: Final answer
    x = 2,228.01

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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.