Home / 6,289.83-9,436.10-1,907.61

Finding the Fourth Proportional to 6,289.83, 9,436.10 and 1,907.61

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Solution

The fourth proportional to 6,289.83, 9,436.10 and 1,907.61 is: 2,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.83 : 9,436.10 = 1,907.61 : x
  2. Step 2: Convert to fraction form
    6,289.83/9,436.10 = 1,907.61/x
  3. Step 3: Cross multiply
    6,289.83x = 9,436.10 × 1,907.61
  4. Step 4: Simplify right side
    6,289.83x = 18,000,389.18
  5. Step 5: Solve for x
    x = 18,000,389.18/6,289.83
  6. Step 6: Final answer
    x = 2,861.82

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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.