Home / 4,378.72-6,041.54-2,808.94

Finding the Fourth Proportional to 4,378.72, 6,041.54 and 2,808.94

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Solution

The fourth proportional to 4,378.72, 6,041.54 and 2,808.94 is: 3,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.72 : 6,041.54 = 2,808.94 : x
  2. Step 2: Convert to fraction form
    4,378.72/6,041.54 = 2,808.94/x
  3. Step 3: Cross multiply
    4,378.72x = 6,041.54 × 2,808.94
  4. Step 4: Simplify right side
    4,378.72x = 16,970,323.37
  5. Step 5: Solve for x
    x = 16,970,323.37/4,378.72
  6. Step 6: Final answer
    x = 3,875.64

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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.