Home / 6,912.49-10,368.69-1,718.32

Finding the Fourth Proportional to 6,912.49, 10,368.69 and 1,718.32

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Solution

The fourth proportional to 6,912.49, 10,368.69 and 1,718.32 is: 2,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.49 : 10,368.69 = 1,718.32 : x
  2. Step 2: Convert to fraction form
    6,912.49/10,368.69 = 1,718.32/x
  3. Step 3: Cross multiply
    6,912.49x = 10,368.69 × 1,718.32
  4. Step 4: Simplify right side
    6,912.49x = 17,816,727.40
  5. Step 5: Solve for x
    x = 17,816,727.40/6,912.49
  6. Step 6: Final answer
    x = 2,577.47

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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.