Home / 7,486.90-11,230.35-2,556.10

Finding the Fourth Proportional to 7,486.90, 11,230.35 and 2,556.10

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Solution

The fourth proportional to 7,486.90, 11,230.35 and 2,556.10 is: 3,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.90 : 11,230.35 = 2,556.10 : x
  2. Step 2: Convert to fraction form
    7,486.90/11,230.35 = 2,556.10/x
  3. Step 3: Cross multiply
    7,486.90x = 11,230.35 × 2,556.10
  4. Step 4: Simplify right side
    7,486.90x = 28,705,897.64
  5. Step 5: Solve for x
    x = 28,705,897.64/7,486.90
  6. Step 6: Final answer
    x = 3,834.15

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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.