Home / 4,671.68-6,444.72-2,782.19

Finding the Fourth Proportional to 4,671.68, 6,444.72 and 2,782.19

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Solution

The fourth proportional to 4,671.68, 6,444.72 and 2,782.19 is: 3,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.68 : 6,444.72 = 2,782.19 : x
  2. Step 2: Convert to fraction form
    4,671.68/6,444.72 = 2,782.19/x
  3. Step 3: Cross multiply
    4,671.68x = 6,444.72 × 2,782.19
  4. Step 4: Simplify right side
    4,671.68x = 17,930,435.54
  5. Step 5: Solve for x
    x = 17,930,435.54/4,671.68
  6. Step 6: Final answer
    x = 3,838.11

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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.