Home / 8,937.36-13,406.64-3,389.64

Finding the Fourth Proportional to 8,937.36, 13,406.64 and 3,389.64

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Solution

The fourth proportional to 8,937.36, 13,406.64 and 3,389.64 is: 5,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.36 : 13,406.64 = 3,389.64 : x
  2. Step 2: Convert to fraction form
    8,937.36/13,406.64 = 3,389.64/x
  3. Step 3: Cross multiply
    8,937.36x = 13,406.64 × 3,389.64
  4. Step 4: Simplify right side
    8,937.36x = 45,443,683.21
  5. Step 5: Solve for x
    x = 45,443,683.21/8,937.36
  6. Step 6: Final answer
    x = 5,084.69

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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.