Home / 4,827.34-6,660.87-2,838.30

Finding the Fourth Proportional to 4,827.34, 6,660.87 and 2,838.30

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Solution

The fourth proportional to 4,827.34, 6,660.87 and 2,838.30 is: 3,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.34 : 6,660.87 = 2,838.30 : x
  2. Step 2: Convert to fraction form
    4,827.34/6,660.87 = 2,838.30/x
  3. Step 3: Cross multiply
    4,827.34x = 6,660.87 × 2,838.30
  4. Step 4: Simplify right side
    4,827.34x = 18,905,511.70
  5. Step 5: Solve for x
    x = 18,905,511.70/4,827.34
  6. Step 6: Final answer
    x = 3,916.34

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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.