Home / 7,260.10-10,890.16-5,181.08

Finding the Fourth Proportional to 7,260.10, 10,890.16 and 5,181.08

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Solution

The fourth proportional to 7,260.10, 10,890.16 and 5,181.08 is: 7,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.10 : 10,890.16 = 5,181.08 : x
  2. Step 2: Convert to fraction form
    7,260.10/10,890.16 = 5,181.08/x
  3. Step 3: Cross multiply
    7,260.10x = 10,890.16 × 5,181.08
  4. Step 4: Simplify right side
    7,260.10x = 56,422,790.17
  5. Step 5: Solve for x
    x = 56,422,790.17/7,260.10
  6. Step 6: Final answer
    x = 7,771.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.