Home / 7,134-9,840.23-4,299.45

Finding the Fourth Proportional to 7,134, 9,840.23 and 4,299.45

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Solution

The fourth proportional to 7,134, 9,840.23 and 4,299.45 is: 5,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134 : 9,840.23 = 4,299.45 : x
  2. Step 2: Convert to fraction form
    7,134/9,840.23 = 4,299.45/x
  3. Step 3: Cross multiply
    7,134x = 9,840.23 × 4,299.45
  4. Step 4: Simplify right side
    7,134x = 42,307,576.87
  5. Step 5: Solve for x
    x = 42,307,576.87/7,134
  6. Step 6: Final answer
    x = 5,930.41

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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.