Home / 4,639.07-6,400.34-2,648.19

Finding the Fourth Proportional to 4,639.07, 6,400.34 and 2,648.19

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Solution

The fourth proportional to 4,639.07, 6,400.34 and 2,648.19 is: 3,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.07 : 6,400.34 = 2,648.19 : x
  2. Step 2: Convert to fraction form
    4,639.07/6,400.34 = 2,648.19/x
  3. Step 3: Cross multiply
    4,639.07x = 6,400.34 × 2,648.19
  4. Step 4: Simplify right side
    4,639.07x = 16,949,303.14
  5. Step 5: Solve for x
    x = 16,949,303.14/4,639.07
  6. Step 6: Final answer
    x = 3,653.60

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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.