Home / 6,259.94-8,639.74-3,606.90

Finding the Fourth Proportional to 6,259.94, 8,639.74 and 3,606.90

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Solution

The fourth proportional to 6,259.94, 8,639.74 and 3,606.90 is: 4,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.94 : 8,639.74 = 3,606.90 : x
  2. Step 2: Convert to fraction form
    6,259.94/8,639.74 = 3,606.90/x
  3. Step 3: Cross multiply
    6,259.94x = 8,639.74 × 3,606.90
  4. Step 4: Simplify right side
    6,259.94x = 31,162,678.21
  5. Step 5: Solve for x
    x = 31,162,678.21/6,259.94
  6. Step 6: Final answer
    x = 4,978.11

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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.