Home / 4,485.21-6,730.65-1,712.18

Finding the Fourth Proportional to 4,485.21, 6,730.65 and 1,712.18

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Solution

The fourth proportional to 4,485.21, 6,730.65 and 1,712.18 is: 2,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.21 : 6,730.65 = 1,712.18 : x
  2. Step 2: Convert to fraction form
    4,485.21/6,730.65 = 1,712.18/x
  3. Step 3: Cross multiply
    4,485.21x = 6,730.65 × 1,712.18
  4. Step 4: Simplify right side
    4,485.21x = 11,524,050.66
  5. Step 5: Solve for x
    x = 11,524,050.66/4,485.21
  6. Step 6: Final answer
    x = 2,569.34

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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.