Home / 4,608.08-6,912.88-1,690.48

Finding the Fourth Proportional to 4,608.08, 6,912.88 and 1,690.48

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Solution

The fourth proportional to 4,608.08, 6,912.88 and 1,690.48 is: 2,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.08 : 6,912.88 = 1,690.48 : x
  2. Step 2: Convert to fraction form
    4,608.08/6,912.88 = 1,690.48/x
  3. Step 3: Cross multiply
    4,608.08x = 6,912.88 × 1,690.48
  4. Step 4: Simplify right side
    4,608.08x = 11,686,085.38
  5. Step 5: Solve for x
    x = 11,686,085.38/4,608.08
  6. Step 6: Final answer
    x = 2,536.00

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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.