Home / 8,965.47-12,372.27-4,986.68

Finding the Fourth Proportional to 8,965.47, 12,372.27 and 4,986.68

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Solution

The fourth proportional to 8,965.47, 12,372.27 and 4,986.68 is: 6,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.47 : 12,372.27 = 4,986.68 : x
  2. Step 2: Convert to fraction form
    8,965.47/12,372.27 = 4,986.68/x
  3. Step 3: Cross multiply
    8,965.47x = 12,372.27 × 4,986.68
  4. Step 4: Simplify right side
    8,965.47x = 61,696,489.50
  5. Step 5: Solve for x
    x = 61,696,489.50/8,965.47
  6. Step 6: Final answer
    x = 6,881.57

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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.