Home / 4,520.80-6,784.98-2,055.16

Finding the Fourth Proportional to 4,520.80, 6,784.98 and 2,055.16

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Solution

The fourth proportional to 4,520.80, 6,784.98 and 2,055.16 is: 3,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.80 : 6,784.98 = 2,055.16 : x
  2. Step 2: Convert to fraction form
    4,520.80/6,784.98 = 2,055.16/x
  3. Step 3: Cross multiply
    4,520.80x = 6,784.98 × 2,055.16
  4. Step 4: Simplify right side
    4,520.80x = 13,944,219.50
  5. Step 5: Solve for x
    x = 13,944,219.50/4,520.80
  6. Step 6: Final answer
    x = 3,084.46

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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.