Home / 8,340.50-11,511.01-4,707.28

Finding the Fourth Proportional to 8,340.50, 11,511.01 and 4,707.28

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Solution

The fourth proportional to 8,340.50, 11,511.01 and 4,707.28 is: 6,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.50 : 11,511.01 = 4,707.28 : x
  2. Step 2: Convert to fraction form
    8,340.50/11,511.01 = 4,707.28/x
  3. Step 3: Cross multiply
    8,340.50x = 11,511.01 × 4,707.28
  4. Step 4: Simplify right side
    8,340.50x = 54,185,567.43
  5. Step 5: Solve for x
    x = 54,185,567.43/8,340.50
  6. Step 6: Final answer
    x = 6,496.68

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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.