Home / 5,912.90-8,158.32-3,814.50

Finding the Fourth Proportional to 5,912.90, 8,158.32 and 3,814.50

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Solution

The fourth proportional to 5,912.90, 8,158.32 and 3,814.50 is: 5,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.90 : 8,158.32 = 3,814.50 : x
  2. Step 2: Convert to fraction form
    5,912.90/8,158.32 = 3,814.50/x
  3. Step 3: Cross multiply
    5,912.90x = 8,158.32 × 3,814.50
  4. Step 4: Simplify right side
    5,912.90x = 31,119,911.64
  5. Step 5: Solve for x
    x = 31,119,911.64/5,912.90
  6. Step 6: Final answer
    x = 5,263.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.