Home / 6,905.45-10,358.53-1,975.83

Finding the Fourth Proportional to 6,905.45, 10,358.53 and 1,975.83

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Solution

The fourth proportional to 6,905.45, 10,358.53 and 1,975.83 is: 2,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.45 : 10,358.53 = 1,975.83 : x
  2. Step 2: Convert to fraction form
    6,905.45/10,358.53 = 1,975.83/x
  3. Step 3: Cross multiply
    6,905.45x = 10,358.53 × 1,975.83
  4. Step 4: Simplify right side
    6,905.45x = 20,466,650.55
  5. Step 5: Solve for x
    x = 20,466,650.55/6,905.45
  6. Step 6: Final answer
    x = 2,963.84

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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.