Home / 4,918.93-6,788.00-2,680.81

Finding the Fourth Proportional to 4,918.93, 6,788.00 and 2,680.81

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Solution

The fourth proportional to 4,918.93, 6,788.00 and 2,680.81 is: 3,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.93 : 6,788.00 = 2,680.81 : x
  2. Step 2: Convert to fraction form
    4,918.93/6,788.00 = 2,680.81/x
  3. Step 3: Cross multiply
    4,918.93x = 6,788.00 × 2,680.81
  4. Step 4: Simplify right side
    4,918.93x = 18,197,328.01
  5. Step 5: Solve for x
    x = 18,197,328.01/4,918.93
  6. Step 6: Final answer
    x = 3,699.45

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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.