Home / 8,117.94-11,205.31-4,762.11

Finding the Fourth Proportional to 8,117.94, 11,205.31 and 4,762.11

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Solution

The fourth proportional to 8,117.94, 11,205.31 and 4,762.11 is: 6,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.94 : 11,205.31 = 4,762.11 : x
  2. Step 2: Convert to fraction form
    8,117.94/11,205.31 = 4,762.11/x
  3. Step 3: Cross multiply
    8,117.94x = 11,205.31 × 4,762.11
  4. Step 4: Simplify right side
    8,117.94x = 53,360,961.70
  5. Step 5: Solve for x
    x = 53,360,961.70/8,117.94
  6. Step 6: Final answer
    x = 6,573.21

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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.