Home / 8,040.74-11,094.21-4,638.78

Finding the Fourth Proportional to 8,040.74, 11,094.21 and 4,638.78

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Solution

The fourth proportional to 8,040.74, 11,094.21 and 4,638.78 is: 6,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.74 : 11,094.21 = 4,638.78 : x
  2. Step 2: Convert to fraction form
    8,040.74/11,094.21 = 4,638.78/x
  3. Step 3: Cross multiply
    8,040.74x = 11,094.21 × 4,638.78
  4. Step 4: Simplify right side
    8,040.74x = 51,463,641.07
  5. Step 5: Solve for x
    x = 51,463,641.07/8,040.74
  6. Step 6: Final answer
    x = 6,400.36

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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.