Home / 7,841.40-10,825.26-4,855.80

Finding the Fourth Proportional to 7,841.40, 10,825.26 and 4,855.80

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Solution

The fourth proportional to 7,841.40, 10,825.26 and 4,855.80 is: 6,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.40 : 10,825.26 = 4,855.80 : x
  2. Step 2: Convert to fraction form
    7,841.40/10,825.26 = 4,855.80/x
  3. Step 3: Cross multiply
    7,841.40x = 10,825.26 × 4,855.80
  4. Step 4: Simplify right side
    7,841.40x = 52,565,297.51
  5. Step 5: Solve for x
    x = 52,565,297.51/7,841.40
  6. Step 6: Final answer
    x = 6,703.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.