Home / 4,756.40-6,561.64-3,078.35

Finding the Fourth Proportional to 4,756.40, 6,561.64 and 3,078.35

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Solution

The fourth proportional to 4,756.40, 6,561.64 and 3,078.35 is: 4,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.40 : 6,561.64 = 3,078.35 : x
  2. Step 2: Convert to fraction form
    4,756.40/6,561.64 = 3,078.35/x
  3. Step 3: Cross multiply
    4,756.40x = 6,561.64 × 3,078.35
  4. Step 4: Simplify right side
    4,756.40x = 20,199,057.05
  5. Step 5: Solve for x
    x = 20,199,057.05/4,756.40
  6. Step 6: Final answer
    x = 4,246.71

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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.