Home / 4,848.80-6,690.69-2,859.03

Finding the Fourth Proportional to 4,848.80, 6,690.69 and 2,859.03

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Solution

The fourth proportional to 4,848.80, 6,690.69 and 2,859.03 is: 3,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.80 : 6,690.69 = 2,859.03 : x
  2. Step 2: Convert to fraction form
    4,848.80/6,690.69 = 2,859.03/x
  3. Step 3: Cross multiply
    4,848.80x = 6,690.69 × 2,859.03
  4. Step 4: Simplify right side
    4,848.80x = 19,128,883.43
  5. Step 5: Solve for x
    x = 19,128,883.43/4,848.80
  6. Step 6: Final answer
    x = 3,945.08

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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.