Home / 8,942.07-13,415.43-3,395.45

Finding the Fourth Proportional to 8,942.07, 13,415.43 and 3,395.45

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Solution

The fourth proportional to 8,942.07, 13,415.43 and 3,395.45 is: 5,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.07 : 13,415.43 = 3,395.45 : x
  2. Step 2: Convert to fraction form
    8,942.07/13,415.43 = 3,395.45/x
  3. Step 3: Cross multiply
    8,942.07x = 13,415.43 × 3,395.45
  4. Step 4: Simplify right side
    8,942.07x = 45,551,354.72
  5. Step 5: Solve for x
    x = 45,551,354.72/8,942.07
  6. Step 6: Final answer
    x = 5,094.05

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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.