Home / 7,568.40-10,445.48-4,738.60

Finding the Fourth Proportional to 7,568.40, 10,445.48 and 4,738.60

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Solution

The fourth proportional to 7,568.40, 10,445.48 and 4,738.60 is: 6,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.40 : 10,445.48 = 4,738.60 : x
  2. Step 2: Convert to fraction form
    7,568.40/10,445.48 = 4,738.60/x
  3. Step 3: Cross multiply
    7,568.40x = 10,445.48 × 4,738.60
  4. Step 4: Simplify right side
    7,568.40x = 49,496,951.53
  5. Step 5: Solve for x
    x = 49,496,951.53/7,568.40
  6. Step 6: Final answer
    x = 6,539.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.