Home / 5,284.69-7,928.34-1,586.99

Finding the Fourth Proportional to 5,284.69, 7,928.34 and 1,586.99

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Solution

The fourth proportional to 5,284.69, 7,928.34 and 1,586.99 is: 2,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.69 : 7,928.34 = 1,586.99 : x
  2. Step 2: Convert to fraction form
    5,284.69/7,928.34 = 1,586.99/x
  3. Step 3: Cross multiply
    5,284.69x = 7,928.34 × 1,586.99
  4. Step 4: Simplify right side
    5,284.69x = 12,582,196.30
  5. Step 5: Solve for x
    x = 12,582,196.30/5,284.69
  6. Step 6: Final answer
    x = 2,380.88

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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.