Home / 8,471.41-11,690.39-4,886.35

Finding the Fourth Proportional to 8,471.41, 11,690.39 and 4,886.35

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Solution

The fourth proportional to 8,471.41, 11,690.39 and 4,886.35 is: 6,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.41 : 11,690.39 = 4,886.35 : x
  2. Step 2: Convert to fraction form
    8,471.41/11,690.39 = 4,886.35/x
  3. Step 3: Cross multiply
    8,471.41x = 11,690.39 × 4,886.35
  4. Step 4: Simplify right side
    8,471.41x = 57,123,320.17
  5. Step 5: Solve for x
    x = 57,123,320.17/8,471.41
  6. Step 6: Final answer
    x = 6,743.07

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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.