Home / 5,814.90-8,718.96-5,122.98

Finding the Fourth Proportional to 5,814.90, 8,718.96 and 5,122.98

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Solution

The fourth proportional to 5,814.90, 8,718.96 and 5,122.98 is: 7,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.90 : 8,718.96 = 5,122.98 : x
  2. Step 2: Convert to fraction form
    5,814.90/8,718.96 = 5,122.98/x
  3. Step 3: Cross multiply
    5,814.90x = 8,718.96 × 5,122.98
  4. Step 4: Simplify right side
    5,814.90x = 44,667,057.70
  5. Step 5: Solve for x
    x = 44,667,057.70/5,814.90
  6. Step 6: Final answer
    x = 7,681.48

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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.