Home / 6,420.48-9,627.06-2,522.76

Finding the Fourth Proportional to 6,420.48, 9,627.06 and 2,522.76

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Solution

The fourth proportional to 6,420.48, 9,627.06 and 2,522.76 is: 3,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.48 : 9,627.06 = 2,522.76 : x
  2. Step 2: Convert to fraction form
    6,420.48/9,627.06 = 2,522.76/x
  3. Step 3: Cross multiply
    6,420.48x = 9,627.06 × 2,522.76
  4. Step 4: Simplify right side
    6,420.48x = 24,286,761.89
  5. Step 5: Solve for x
    x = 24,286,761.89/6,420.48
  6. Step 6: Final answer
    x = 3,782.70

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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.