Home / 4,431.20-6,638.60-2,583.20

Finding the Fourth Proportional to 4,431.20, 6,638.60 and 2,583.20

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Solution

The fourth proportional to 4,431.20, 6,638.60 and 2,583.20 is: 3,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.20 : 6,638.60 = 2,583.20 : x
  2. Step 2: Convert to fraction form
    4,431.20/6,638.60 = 2,583.20/x
  3. Step 3: Cross multiply
    4,431.20x = 6,638.60 × 2,583.20
  4. Step 4: Simplify right side
    4,431.20x = 17,148,831.52
  5. Step 5: Solve for x
    x = 17,148,831.52/4,431.20
  6. Step 6: Final answer
    x = 3,870.02

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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.