Home / 7,486.88-11,210.22-4,190.60

Finding the Fourth Proportional to 7,486.88, 11,210.22 and 4,190.60

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Solution

The fourth proportional to 7,486.88, 11,210.22 and 4,190.60 is: 6,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.88 : 11,210.22 = 4,190.60 : x
  2. Step 2: Convert to fraction form
    7,486.88/11,210.22 = 4,190.60/x
  3. Step 3: Cross multiply
    7,486.88x = 11,210.22 × 4,190.60
  4. Step 4: Simplify right side
    7,486.88x = 46,977,547.93
  5. Step 5: Solve for x
    x = 46,977,547.93/7,486.88
  6. Step 6: Final answer
    x = 6,274.65

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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.