Home / 4,647.17-6,412.13-2,758.49

Finding the Fourth Proportional to 4,647.17, 6,412.13 and 2,758.49

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Solution

The fourth proportional to 4,647.17, 6,412.13 and 2,758.49 is: 3,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.17 : 6,412.13 = 2,758.49 : x
  2. Step 2: Convert to fraction form
    4,647.17/6,412.13 = 2,758.49/x
  3. Step 3: Cross multiply
    4,647.17x = 6,412.13 × 2,758.49
  4. Step 4: Simplify right side
    4,647.17x = 17,687,785.02
  5. Step 5: Solve for x
    x = 17,687,785.02/4,647.17
  6. Step 6: Final answer
    x = 3,806.14

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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.