Home / 8,886.74-12,263.56-4,907.76

Finding the Fourth Proportional to 8,886.74, 12,263.56 and 4,907.76

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Solution

The fourth proportional to 8,886.74, 12,263.56 and 4,907.76 is: 6,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.74 : 12,263.56 = 4,907.76 : x
  2. Step 2: Convert to fraction form
    8,886.74/12,263.56 = 4,907.76/x
  3. Step 3: Cross multiply
    8,886.74x = 12,263.56 × 4,907.76
  4. Step 4: Simplify right side
    8,886.74x = 60,186,609.23
  5. Step 5: Solve for x
    x = 60,186,609.23/8,886.74
  6. Step 6: Final answer
    x = 6,772.63

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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.