Home / 7,702.20-10,628.82-4,718.28

Finding the Fourth Proportional to 7,702.20, 10,628.82 and 4,718.28

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Solution

The fourth proportional to 7,702.20, 10,628.82 and 4,718.28 is: 6,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.20 : 10,628.82 = 4,718.28 : x
  2. Step 2: Convert to fraction form
    7,702.20/10,628.82 = 4,718.28/x
  3. Step 3: Cross multiply
    7,702.20x = 10,628.82 × 4,718.28
  4. Step 4: Simplify right side
    7,702.20x = 50,149,748.83
  5. Step 5: Solve for x
    x = 50,149,748.83/7,702.20
  6. Step 6: Final answer
    x = 6,511.09

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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.