Home / 4,283.09-5,911.65-2,788.40

Finding the Fourth Proportional to 4,283.09, 5,911.65 and 2,788.40

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Solution

The fourth proportional to 4,283.09, 5,911.65 and 2,788.40 is: 3,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.09 : 5,911.65 = 2,788.40 : x
  2. Step 2: Convert to fraction form
    4,283.09/5,911.65 = 2,788.40/x
  3. Step 3: Cross multiply
    4,283.09x = 5,911.65 × 2,788.40
  4. Step 4: Simplify right side
    4,283.09x = 16,484,059.64
  5. Step 5: Solve for x
    x = 16,484,059.64/4,283.09
  6. Step 6: Final answer
    x = 3,848.64

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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.