Home / 6,859.81-9,466.44-3,875.55

Finding the Fourth Proportional to 6,859.81, 9,466.44 and 3,875.55

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Solution

The fourth proportional to 6,859.81, 9,466.44 and 3,875.55 is: 5,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.81 : 9,466.44 = 3,875.55 : x
  2. Step 2: Convert to fraction form
    6,859.81/9,466.44 = 3,875.55/x
  3. Step 3: Cross multiply
    6,859.81x = 9,466.44 × 3,875.55
  4. Step 4: Simplify right side
    6,859.81x = 36,687,644.21
  5. Step 5: Solve for x
    x = 36,687,644.21/6,859.81
  6. Step 6: Final answer
    x = 5,348.20

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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.