Home / 6,990.92-10,479.03-3,094.40

Finding the Fourth Proportional to 6,990.92, 10,479.03 and 3,094.40

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Solution

The fourth proportional to 6,990.92, 10,479.03 and 3,094.40 is: 4,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.92 : 10,479.03 = 3,094.40 : x
  2. Step 2: Convert to fraction form
    6,990.92/10,479.03 = 3,094.40/x
  3. Step 3: Cross multiply
    6,990.92x = 10,479.03 × 3,094.40
  4. Step 4: Simplify right side
    6,990.92x = 32,426,310.43
  5. Step 5: Solve for x
    x = 32,426,310.43/6,990.92
  6. Step 6: Final answer
    x = 4,638.35

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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.