Home / 8,289.86-11,440.01-4,513.05

Finding the Fourth Proportional to 8,289.86, 11,440.01 and 4,513.05

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Solution

The fourth proportional to 8,289.86, 11,440.01 and 4,513.05 is: 6,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.86 : 11,440.01 = 4,513.05 : x
  2. Step 2: Convert to fraction form
    8,289.86/11,440.01 = 4,513.05/x
  3. Step 3: Cross multiply
    8,289.86x = 11,440.01 × 4,513.05
  4. Step 4: Simplify right side
    8,289.86x = 51,629,343.17
  5. Step 5: Solve for x
    x = 51,629,343.17/8,289.86
  6. Step 6: Final answer
    x = 6,228.01

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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.