Home / 7,737.90-10,678.42-4,201.10

Finding the Fourth Proportional to 7,737.90, 10,678.42 and 4,201.10

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Solution

The fourth proportional to 7,737.90, 10,678.42 and 4,201.10 is: 5,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.90 : 10,678.42 = 4,201.10 : x
  2. Step 2: Convert to fraction form
    7,737.90/10,678.42 = 4,201.10/x
  3. Step 3: Cross multiply
    7,737.90x = 10,678.42 × 4,201.10
  4. Step 4: Simplify right side
    7,737.90x = 44,861,102.17
  5. Step 5: Solve for x
    x = 44,861,102.17/7,737.90
  6. Step 6: Final answer
    x = 5,797.58

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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.