Home / 6,986.40-10,479.60-2,369.44

Finding the Fourth Proportional to 6,986.40, 10,479.60 and 2,369.44

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Solution

The fourth proportional to 6,986.40, 10,479.60 and 2,369.44 is: 3,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.40 : 10,479.60 = 2,369.44 : x
  2. Step 2: Convert to fraction form
    6,986.40/10,479.60 = 2,369.44/x
  3. Step 3: Cross multiply
    6,986.40x = 10,479.60 × 2,369.44
  4. Step 4: Simplify right side
    6,986.40x = 24,830,783.42
  5. Step 5: Solve for x
    x = 24,830,783.42/6,986.40
  6. Step 6: Final answer
    x = 3,554.16

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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.