Home / 6,956.40-10,420.69-4,181.57

Finding the Fourth Proportional to 6,956.40, 10,420.69 and 4,181.57

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Solution

The fourth proportional to 6,956.40, 10,420.69 and 4,181.57 is: 6,263.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,956.40 : 10,420.69 = 4,181.57 : x
  2. Step 2: Convert to fraction form
    6,956.40/10,420.69 = 4,181.57/x
  3. Step 3: Cross multiply
    6,956.40x = 10,420.69 × 4,181.57
  4. Step 4: Simplify right side
    6,956.40x = 43,574,844.68
  5. Step 5: Solve for x
    x = 43,574,844.68/6,956.40
  6. Step 6: Final answer
    x = 6,263.99

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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.