Home / 4,782.84-6,600.65-2,686.96

Finding the Fourth Proportional to 4,782.84, 6,600.65 and 2,686.96

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Solution

The fourth proportional to 4,782.84, 6,600.65 and 2,686.96 is: 3,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.84 : 6,600.65 = 2,686.96 : x
  2. Step 2: Convert to fraction form
    4,782.84/6,600.65 = 2,686.96/x
  3. Step 3: Cross multiply
    4,782.84x = 6,600.65 × 2,686.96
  4. Step 4: Simplify right side
    4,782.84x = 17,735,682.52
  5. Step 5: Solve for x
    x = 17,735,682.52/4,782.84
  6. Step 6: Final answer
    x = 3,708.19

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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.