Home / 8,896.79-12,276.50-4,917.35

Finding the Fourth Proportional to 8,896.79, 12,276.50 and 4,917.35

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Solution

The fourth proportional to 8,896.79, 12,276.50 and 4,917.35 is: 6,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.79 : 12,276.50 = 4,917.35 : x
  2. Step 2: Convert to fraction form
    8,896.79/12,276.50 = 4,917.35/x
  3. Step 3: Cross multiply
    8,896.79x = 12,276.50 × 4,917.35
  4. Step 4: Simplify right side
    8,896.79x = 60,367,853.38
  5. Step 5: Solve for x
    x = 60,367,853.38/8,896.79
  6. Step 6: Final answer
    x = 6,785.35

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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.