Home / 4,971.83-7,458.08-1,685.18

Finding the Fourth Proportional to 4,971.83, 7,458.08 and 1,685.18

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Solution

The fourth proportional to 4,971.83, 7,458.08 and 1,685.18 is: 2,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.83 : 7,458.08 = 1,685.18 : x
  2. Step 2: Convert to fraction form
    4,971.83/7,458.08 = 1,685.18/x
  3. Step 3: Cross multiply
    4,971.83x = 7,458.08 × 1,685.18
  4. Step 4: Simplify right side
    4,971.83x = 12,568,217.47
  5. Step 5: Solve for x
    x = 12,568,217.47/4,971.83
  6. Step 6: Final answer
    x = 2,527.89

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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.