Home / 8,886.85-12,263.87-4,907.86

Finding the Fourth Proportional to 8,886.85, 12,263.87 and 4,907.86

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Solution

The fourth proportional to 8,886.85, 12,263.87 and 4,907.86 is: 6,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.85 : 12,263.87 = 4,907.86 : x
  2. Step 2: Convert to fraction form
    8,886.85/12,263.87 = 4,907.86/x
  3. Step 3: Cross multiply
    8,886.85x = 12,263.87 × 4,907.86
  4. Step 4: Simplify right side
    8,886.85x = 60,189,338.63
  5. Step 5: Solve for x
    x = 60,189,338.63/8,886.85
  6. Step 6: Final answer
    x = 6,772.86

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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.