Home / 4,980.21-6,852.14-4,857.19

Finding the Fourth Proportional to 4,980.21, 6,852.14 and 4,857.19

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Solution

The fourth proportional to 4,980.21, 6,852.14 and 4,857.19 is: 6,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.21 : 6,852.14 = 4,857.19 : x
  2. Step 2: Convert to fraction form
    4,980.21/6,852.14 = 4,857.19/x
  3. Step 3: Cross multiply
    4,980.21x = 6,852.14 × 4,857.19
  4. Step 4: Simplify right side
    4,980.21x = 33,282,169.28
  5. Step 5: Solve for x
    x = 33,282,169.28/4,980.21
  6. Step 6: Final answer
    x = 6,682.89

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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.