Home / 7,618.08-10,511.90-4,260.72

Finding the Fourth Proportional to 7,618.08, 10,511.90 and 4,260.72

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Solution

The fourth proportional to 7,618.08, 10,511.90 and 4,260.72 is: 5,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.08 : 10,511.90 = 4,260.72 : x
  2. Step 2: Convert to fraction form
    7,618.08/10,511.90 = 4,260.72/x
  3. Step 3: Cross multiply
    7,618.08x = 10,511.90 × 4,260.72
  4. Step 4: Simplify right side
    7,618.08x = 44,788,262.57
  5. Step 5: Solve for x
    x = 44,788,262.57/7,618.08
  6. Step 6: Final answer
    x = 5,879.21

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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.