Home / 4,982.48-6,875.74-2,858.40

Finding the Fourth Proportional to 4,982.48, 6,875.74 and 2,858.40

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Solution

The fourth proportional to 4,982.48, 6,875.74 and 2,858.40 is: 3,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.48 : 6,875.74 = 2,858.40 : x
  2. Step 2: Convert to fraction form
    4,982.48/6,875.74 = 2,858.40/x
  3. Step 3: Cross multiply
    4,982.48x = 6,875.74 × 2,858.40
  4. Step 4: Simplify right side
    4,982.48x = 19,653,615.22
  5. Step 5: Solve for x
    x = 19,653,615.22/4,982.48
  6. Step 6: Final answer
    x = 3,944.54

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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.