Home / 4,590.90-6,886.35-4,080.60

Finding the Fourth Proportional to 4,590.90, 6,886.35 and 4,080.60

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Solution

The fourth proportional to 4,590.90, 6,886.35 and 4,080.60 is: 6,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.90 : 6,886.35 = 4,080.60 : x
  2. Step 2: Convert to fraction form
    4,590.90/6,886.35 = 4,080.60/x
  3. Step 3: Cross multiply
    4,590.90x = 6,886.35 × 4,080.60
  4. Step 4: Simplify right side
    4,590.90x = 28,100,439.81
  5. Step 5: Solve for x
    x = 28,100,439.81/4,590.90
  6. Step 6: Final answer
    x = 6,120.90

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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.