Home / 4,518.32-6,778.80-2,055.12

Finding the Fourth Proportional to 4,518.32, 6,778.80 and 2,055.12

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Solution

The fourth proportional to 4,518.32, 6,778.80 and 2,055.12 is: 3,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.32 : 6,778.80 = 2,055.12 : x
  2. Step 2: Convert to fraction form
    4,518.32/6,778.80 = 2,055.12/x
  3. Step 3: Cross multiply
    4,518.32x = 6,778.80 × 2,055.12
  4. Step 4: Simplify right side
    4,518.32x = 13,931,247.46
  5. Step 5: Solve for x
    x = 13,931,247.46/4,518.32
  6. Step 6: Final answer
    x = 3,083.28

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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.