Home / 4,848.35-6,690.72-2,858.91

Finding the Fourth Proportional to 4,848.35, 6,690.72 and 2,858.91

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Solution

The fourth proportional to 4,848.35, 6,690.72 and 2,858.91 is: 3,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.35 : 6,690.72 = 2,858.91 : x
  2. Step 2: Convert to fraction form
    4,848.35/6,690.72 = 2,858.91/x
  3. Step 3: Cross multiply
    4,848.35x = 6,690.72 × 2,858.91
  4. Step 4: Simplify right side
    4,848.35x = 19,128,166.32
  5. Step 5: Solve for x
    x = 19,128,166.32/4,848.35
  6. Step 6: Final answer
    x = 3,945.30

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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.