Home / 4,679.94-6,458.24-2,555.40

Finding the Fourth Proportional to 4,679.94, 6,458.24 and 2,555.40

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Solution

The fourth proportional to 4,679.94, 6,458.24 and 2,555.40 is: 3,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.94 : 6,458.24 = 2,555.40 : x
  2. Step 2: Convert to fraction form
    4,679.94/6,458.24 = 2,555.40/x
  3. Step 3: Cross multiply
    4,679.94x = 6,458.24 × 2,555.40
  4. Step 4: Simplify right side
    4,679.94x = 16,503,386.50
  5. Step 5: Solve for x
    x = 16,503,386.50/4,679.94
  6. Step 6: Final answer
    x = 3,526.41

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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.