Home / 5,213.55-7,810.25-2,898.03

Finding the Fourth Proportional to 5,213.55, 7,810.25 and 2,898.03

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Solution

The fourth proportional to 5,213.55, 7,810.25 and 2,898.03 is: 4,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.55 : 7,810.25 = 2,898.03 : x
  2. Step 2: Convert to fraction form
    5,213.55/7,810.25 = 2,898.03/x
  3. Step 3: Cross multiply
    5,213.55x = 7,810.25 × 2,898.03
  4. Step 4: Simplify right side
    5,213.55x = 22,634,324.32
  5. Step 5: Solve for x
    x = 22,634,324.32/5,213.55
  6. Step 6: Final answer
    x = 4,341.44

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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.