Home / 4,909.09-6,777.06-3,787.51

Finding the Fourth Proportional to 4,909.09, 6,777.06 and 3,787.51

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Solution

The fourth proportional to 4,909.09, 6,777.06 and 3,787.51 is: 5,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.09 : 6,777.06 = 3,787.51 : x
  2. Step 2: Convert to fraction form
    4,909.09/6,777.06 = 3,787.51/x
  3. Step 3: Cross multiply
    4,909.09x = 6,777.06 × 3,787.51
  4. Step 4: Simplify right side
    4,909.09x = 25,668,182.52
  5. Step 5: Solve for x
    x = 25,668,182.52/4,909.09
  6. Step 6: Final answer
    x = 5,228.70

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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.