Home / 6,860.27-10,289.21-1,928.74

Finding the Fourth Proportional to 6,860.27, 10,289.21 and 1,928.74

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Solution

The fourth proportional to 6,860.27, 10,289.21 and 1,928.74 is: 2,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.27 : 10,289.21 = 1,928.74 : x
  2. Step 2: Convert to fraction form
    6,860.27/10,289.21 = 1,928.74/x
  3. Step 3: Cross multiply
    6,860.27x = 10,289.21 × 1,928.74
  4. Step 4: Simplify right side
    6,860.27x = 19,845,210.90
  5. Step 5: Solve for x
    x = 19,845,210.90/6,860.27
  6. Step 6: Final answer
    x = 2,892.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.