Home / 4,123.81-6,186.34-1,349.80

Finding the Fourth Proportional to 4,123.81, 6,186.34 and 1,349.80

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Solution

The fourth proportional to 4,123.81, 6,186.34 and 1,349.80 is: 2,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.81 : 6,186.34 = 1,349.80 : x
  2. Step 2: Convert to fraction form
    4,123.81/6,186.34 = 1,349.80/x
  3. Step 3: Cross multiply
    4,123.81x = 6,186.34 × 1,349.80
  4. Step 4: Simplify right side
    4,123.81x = 8,350,307.95
  5. Step 5: Solve for x
    x = 8,350,307.95/4,123.81
  6. Step 6: Final answer
    x = 2,024.90

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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.