Home / 6,980.55-10,458.53-3,686.39

Finding the Fourth Proportional to 6,980.55, 10,458.53 and 3,686.39

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Solution

The fourth proportional to 6,980.55, 10,458.53 and 3,686.39 is: 5,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.55 : 10,458.53 = 3,686.39 : x
  2. Step 2: Convert to fraction form
    6,980.55/10,458.53 = 3,686.39/x
  3. Step 3: Cross multiply
    6,980.55x = 10,458.53 × 3,686.39
  4. Step 4: Simplify right side
    6,980.55x = 38,554,149.68
  5. Step 5: Solve for x
    x = 38,554,149.68/6,980.55
  6. Step 6: Final answer
    x = 5,523.08

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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.