Home / 8,975.22-12,386.28-4,996.68

Finding the Fourth Proportional to 8,975.22, 12,386.28 and 4,996.68

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Solution

The fourth proportional to 8,975.22, 12,386.28 and 4,996.68 is: 6,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.22 : 12,386.28 = 4,996.68 : x
  2. Step 2: Convert to fraction form
    8,975.22/12,386.28 = 4,996.68/x
  3. Step 3: Cross multiply
    8,975.22x = 12,386.28 × 4,996.68
  4. Step 4: Simplify right side
    8,975.22x = 61,890,277.55
  5. Step 5: Solve for x
    x = 61,890,277.55/8,975.22
  6. Step 6: Final answer
    x = 6,895.68

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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.