Home / 6,360.09-8,775.45-5,519.31

Finding the Fourth Proportional to 6,360.09, 8,775.45 and 5,519.31

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Solution

The fourth proportional to 6,360.09, 8,775.45 and 5,519.31 is: 7,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.09 : 8,775.45 = 5,519.31 : x
  2. Step 2: Convert to fraction form
    6,360.09/8,775.45 = 5,519.31/x
  3. Step 3: Cross multiply
    6,360.09x = 8,775.45 × 5,519.31
  4. Step 4: Simplify right side
    6,360.09x = 48,434,428.94
  5. Step 5: Solve for x
    x = 48,434,428.94/6,360.09
  6. Step 6: Final answer
    x = 7,615.37

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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.