Home / 6,460.04-9,690.08-2,080.57

Finding the Fourth Proportional to 6,460.04, 9,690.08 and 2,080.57

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Solution

The fourth proportional to 6,460.04, 9,690.08 and 2,080.57 is: 3,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.04 : 9,690.08 = 2,080.57 : x
  2. Step 2: Convert to fraction form
    6,460.04/9,690.08 = 2,080.57/x
  3. Step 3: Cross multiply
    6,460.04x = 9,690.08 × 2,080.57
  4. Step 4: Simplify right side
    6,460.04x = 20,160,889.75
  5. Step 5: Solve for x
    x = 20,160,889.75/6,460.04
  6. Step 6: Final answer
    x = 3,120.86

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Double scale
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Similar ratio
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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.