Home / 8,289.64-11,426.74-5,632.36

Finding the Fourth Proportional to 8,289.64, 11,426.74 and 5,632.36

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Solution

The fourth proportional to 8,289.64, 11,426.74 and 5,632.36 is: 7,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.64 : 11,426.74 = 5,632.36 : x
  2. Step 2: Convert to fraction form
    8,289.64/11,426.74 = 5,632.36/x
  3. Step 3: Cross multiply
    8,289.64x = 11,426.74 × 5,632.36
  4. Step 4: Simplify right side
    8,289.64x = 64,359,513.31
  5. Step 5: Solve for x
    x = 64,359,513.31/8,289.64
  6. Step 6: Final answer
    x = 7,763.85

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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.