Home / 5,323.04-7,984.56-1,427.84

Finding the Fourth Proportional to 5,323.04, 7,984.56 and 1,427.84

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Solution

The fourth proportional to 5,323.04, 7,984.56 and 1,427.84 is: 2,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.04 : 7,984.56 = 1,427.84 : x
  2. Step 2: Convert to fraction form
    5,323.04/7,984.56 = 1,427.84/x
  3. Step 3: Cross multiply
    5,323.04x = 7,984.56 × 1,427.84
  4. Step 4: Simplify right side
    5,323.04x = 11,400,674.15
  5. Step 5: Solve for x
    x = 11,400,674.15/5,323.04
  6. Step 6: Final answer
    x = 2,141.76

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Similar ratio
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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.