Home / 6,215.78-9,323.70-2,518.08

Finding the Fourth Proportional to 6,215.78, 9,323.70 and 2,518.08

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Solution

The fourth proportional to 6,215.78, 9,323.70 and 2,518.08 is: 3,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.78 : 9,323.70 = 2,518.08 : x
  2. Step 2: Convert to fraction form
    6,215.78/9,323.70 = 2,518.08/x
  3. Step 3: Cross multiply
    6,215.78x = 9,323.70 × 2,518.08
  4. Step 4: Simplify right side
    6,215.78x = 23,477,816.20
  5. Step 5: Solve for x
    x = 23,477,816.20/6,215.78
  6. Step 6: Final answer
    x = 3,777.13

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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.