Home / 8,341.80-11,511.66-4,986.57

Finding the Fourth Proportional to 8,341.80, 11,511.66 and 4,986.57

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Solution

The fourth proportional to 8,341.80, 11,511.66 and 4,986.57 is: 6,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.80 : 11,511.66 = 4,986.57 : x
  2. Step 2: Convert to fraction form
    8,341.80/11,511.66 = 4,986.57/x
  3. Step 3: Cross multiply
    8,341.80x = 11,511.66 × 4,986.57
  4. Step 4: Simplify right side
    8,341.80x = 57,403,698.41
  5. Step 5: Solve for x
    x = 57,403,698.41/8,341.80
  6. Step 6: Final answer
    x = 6,881.45

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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.