Home / 4,647.04-6,412.49-2,758.30

Finding the Fourth Proportional to 4,647.04, 6,412.49 and 2,758.30

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Solution

The fourth proportional to 4,647.04, 6,412.49 and 2,758.30 is: 3,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.04 : 6,412.49 = 2,758.30 : x
  2. Step 2: Convert to fraction form
    4,647.04/6,412.49 = 2,758.30/x
  3. Step 3: Cross multiply
    4,647.04x = 6,412.49 × 2,758.30
  4. Step 4: Simplify right side
    4,647.04x = 17,687,594.09
  5. Step 5: Solve for x
    x = 17,687,594.09/4,647.04
  6. Step 6: Final answer
    x = 3,806.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.