Home / 6,938.53-10,406.85-5,775.91

Finding the Fourth Proportional to 6,938.53, 10,406.85 and 5,775.91

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Solution

The fourth proportional to 6,938.53, 10,406.85 and 5,775.91 is: 8,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.53 : 10,406.85 = 5,775.91 : x
  2. Step 2: Convert to fraction form
    6,938.53/10,406.85 = 5,775.91/x
  3. Step 3: Cross multiply
    6,938.53x = 10,406.85 × 5,775.91
  4. Step 4: Simplify right side
    6,938.53x = 60,109,028.98
  5. Step 5: Solve for x
    x = 60,109,028.98/6,938.53
  6. Step 6: Final answer
    x = 8,663.08

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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.