Home / 4,639.65-6,403.94-2,870.24

Finding the Fourth Proportional to 4,639.65, 6,403.94 and 2,870.24

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Solution

The fourth proportional to 4,639.65, 6,403.94 and 2,870.24 is: 3,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.65 : 6,403.94 = 2,870.24 : x
  2. Step 2: Convert to fraction form
    4,639.65/6,403.94 = 2,870.24/x
  3. Step 3: Cross multiply
    4,639.65x = 6,403.94 × 2,870.24
  4. Step 4: Simplify right side
    4,639.65x = 18,380,798.37
  5. Step 5: Solve for x
    x = 18,380,798.37/4,639.65
  6. Step 6: Final answer
    x = 3,961.68

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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.