Home / 6,123.40-9,168.90-4,816.60

Finding the Fourth Proportional to 6,123.40, 9,168.90 and 4,816.60

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Solution

The fourth proportional to 6,123.40, 9,168.90 and 4,816.60 is: 7,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.40 : 9,168.90 = 4,816.60 : x
  2. Step 2: Convert to fraction form
    6,123.40/9,168.90 = 4,816.60/x
  3. Step 3: Cross multiply
    6,123.40x = 9,168.90 × 4,816.60
  4. Step 4: Simplify right side
    6,123.40x = 44,162,923.74
  5. Step 5: Solve for x
    x = 44,162,923.74/6,123.40
  6. Step 6: Final answer
    x = 7,212.16

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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.