Home / 5,284.20-7,926.30-1,586.46

Finding the Fourth Proportional to 5,284.20, 7,926.30 and 1,586.46

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Solution

The fourth proportional to 5,284.20, 7,926.30 and 1,586.46 is: 2,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.20 : 7,926.30 = 1,586.46 : x
  2. Step 2: Convert to fraction form
    5,284.20/7,926.30 = 1,586.46/x
  3. Step 3: Cross multiply
    5,284.20x = 7,926.30 × 1,586.46
  4. Step 4: Simplify right side
    5,284.20x = 12,574,757.90
  5. Step 5: Solve for x
    x = 12,574,757.90/5,284.20
  6. Step 6: Final answer
    x = 2,379.69

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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.