Home / 6,539.48-9,803.08-3,907.72

Finding the Fourth Proportional to 6,539.48, 9,803.08 and 3,907.72

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Solution

The fourth proportional to 6,539.48, 9,803.08 and 3,907.72 is: 5,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.48 : 9,803.08 = 3,907.72 : x
  2. Step 2: Convert to fraction form
    6,539.48/9,803.08 = 3,907.72/x
  3. Step 3: Cross multiply
    6,539.48x = 9,803.08 × 3,907.72
  4. Step 4: Simplify right side
    6,539.48x = 38,307,691.78
  5. Step 5: Solve for x
    x = 38,307,691.78/6,539.48
  6. Step 6: Final answer
    x = 5,857.91

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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.