Home / 7,845.10-10,826.13-4,702.30

Finding the Fourth Proportional to 7,845.10, 10,826.13 and 4,702.30

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Solution

The fourth proportional to 7,845.10, 10,826.13 and 4,702.30 is: 6,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.10 : 10,826.13 = 4,702.30 : x
  2. Step 2: Convert to fraction form
    7,845.10/10,826.13 = 4,702.30/x
  3. Step 3: Cross multiply
    7,845.10x = 10,826.13 × 4,702.30
  4. Step 4: Simplify right side
    7,845.10x = 50,907,711.10
  5. Step 5: Solve for x
    x = 50,907,711.10/7,845.10
  6. Step 6: Final answer
    x = 6,489.11

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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.