Home / 8,216.79-11,336.40-4,677.50

Finding the Fourth Proportional to 8,216.79, 11,336.40 and 4,677.50

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Solution

The fourth proportional to 8,216.79, 11,336.40 and 4,677.50 is: 6,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.79 : 11,336.40 = 4,677.50 : x
  2. Step 2: Convert to fraction form
    8,216.79/11,336.40 = 4,677.50/x
  3. Step 3: Cross multiply
    8,216.79x = 11,336.40 × 4,677.50
  4. Step 4: Simplify right side
    8,216.79x = 53,025,954.32
  5. Step 5: Solve for x
    x = 53,025,954.32/8,216.79
  6. Step 6: Final answer
    x = 6,453.37

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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.