Home / 6,772.40-10,158.60-4,914.80

Finding the Fourth Proportional to 6,772.40, 10,158.60 and 4,914.80

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Solution

The fourth proportional to 6,772.40, 10,158.60 and 4,914.80 is: 7,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.40 : 10,158.60 = 4,914.80 : x
  2. Step 2: Convert to fraction form
    6,772.40/10,158.60 = 4,914.80/x
  3. Step 3: Cross multiply
    6,772.40x = 10,158.60 × 4,914.80
  4. Step 4: Simplify right side
    6,772.40x = 49,927,487.28
  5. Step 5: Solve for x
    x = 49,927,487.28/6,772.40
  6. Step 6: Final answer
    x = 7,372.20

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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.