Home / 8,648.94-11,934.83-4,870.90

Finding the Fourth Proportional to 8,648.94, 11,934.83 and 4,870.90

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Solution

The fourth proportional to 8,648.94, 11,934.83 and 4,870.90 is: 6,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.94 : 11,934.83 = 4,870.90 : x
  2. Step 2: Convert to fraction form
    8,648.94/11,934.83 = 4,870.90/x
  3. Step 3: Cross multiply
    8,648.94x = 11,934.83 × 4,870.90
  4. Step 4: Simplify right side
    8,648.94x = 58,133,279.42
  5. Step 5: Solve for x
    x = 58,133,279.42/8,648.94
  6. Step 6: Final answer
    x = 6,721.43

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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.