Home / 5,349.05-8,021.60-1,838.06

Finding the Fourth Proportional to 5,349.05, 8,021.60 and 1,838.06

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Solution

The fourth proportional to 5,349.05, 8,021.60 and 1,838.06 is: 2,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.05 : 8,021.60 = 1,838.06 : x
  2. Step 2: Convert to fraction form
    5,349.05/8,021.60 = 1,838.06/x
  3. Step 3: Cross multiply
    5,349.05x = 8,021.60 × 1,838.06
  4. Step 4: Simplify right side
    5,349.05x = 14,744,165.07
  5. Step 5: Solve for x
    x = 14,744,165.07/5,349.05
  6. Step 6: Final answer
    x = 2,756.41

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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.