Home / 4,388.78-6,570.93-2,999.18

Finding the Fourth Proportional to 4,388.78, 6,570.93 and 2,999.18

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Solution

The fourth proportional to 4,388.78, 6,570.93 and 2,999.18 is: 4,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.78 : 6,570.93 = 2,999.18 : x
  2. Step 2: Convert to fraction form
    4,388.78/6,570.93 = 2,999.18/x
  3. Step 3: Cross multiply
    4,388.78x = 6,570.93 × 2,999.18
  4. Step 4: Simplify right side
    4,388.78x = 19,707,401.84
  5. Step 5: Solve for x
    x = 19,707,401.84/4,388.78
  6. Step 6: Final answer
    x = 4,490.41

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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.