Home / 8,327.70-12,485.40-5,040.07

Finding the Fourth Proportional to 8,327.70, 12,485.40 and 5,040.07

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Solution

The fourth proportional to 8,327.70, 12,485.40 and 5,040.07 is: 7,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.70 : 12,485.40 = 5,040.07 : x
  2. Step 2: Convert to fraction form
    8,327.70/12,485.40 = 5,040.07/x
  3. Step 3: Cross multiply
    8,327.70x = 12,485.40 × 5,040.07
  4. Step 4: Simplify right side
    8,327.70x = 62,927,289.98
  5. Step 5: Solve for x
    x = 62,927,289.98/8,327.70
  6. Step 6: Final answer
    x = 7,556.38

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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.