Home / 4,608.34-6,912.48-1,145.58

Finding the Fourth Proportional to 4,608.34, 6,912.48 and 1,145.58

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Solution

The fourth proportional to 4,608.34, 6,912.48 and 1,145.58 is: 1,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.34 : 6,912.48 = 1,145.58 : x
  2. Step 2: Convert to fraction form
    4,608.34/6,912.48 = 1,145.58/x
  3. Step 3: Cross multiply
    4,608.34x = 6,912.48 × 1,145.58
  4. Step 4: Simplify right side
    4,608.34x = 7,918,798.84
  5. Step 5: Solve for x
    x = 7,918,798.84/4,608.34
  6. Step 6: Final answer
    x = 1,718.36

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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.