Home / 6,912.20-10,368.30-1,718.08

Finding the Fourth Proportional to 6,912.20, 10,368.30 and 1,718.08

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Solution

The fourth proportional to 6,912.20, 10,368.30 and 1,718.08 is: 2,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.20 : 10,368.30 = 1,718.08 : x
  2. Step 2: Convert to fraction form
    6,912.20/10,368.30 = 1,718.08/x
  3. Step 3: Cross multiply
    6,912.20x = 10,368.30 × 1,718.08
  4. Step 4: Simplify right side
    6,912.20x = 17,813,536.50
  5. Step 5: Solve for x
    x = 17,813,536.50/6,912.20
  6. Step 6: Final answer
    x = 2,577.11

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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.