Home / 4,706.41-6,490.40-2,817.70

Finding the Fourth Proportional to 4,706.41, 6,490.40 and 2,817.70

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Solution

The fourth proportional to 4,706.41, 6,490.40 and 2,817.70 is: 3,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,706.41 : 6,490.40 = 2,817.70 : x
  2. Step 2: Convert to fraction form
    4,706.41/6,490.40 = 2,817.70/x
  3. Step 3: Cross multiply
    4,706.41x = 6,490.40 × 2,817.70
  4. Step 4: Simplify right side
    4,706.41x = 18,287,953.54
  5. Step 5: Solve for x
    x = 18,287,953.54/4,706.41
  6. Step 6: Final answer
    x = 3,885.75

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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.