Home / 4,884.09-7,319.12-2,777.40

Finding the Fourth Proportional to 4,884.09, 7,319.12 and 2,777.40

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Solution

The fourth proportional to 4,884.09, 7,319.12 and 2,777.40 is: 4,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.09 : 7,319.12 = 2,777.40 : x
  2. Step 2: Convert to fraction form
    4,884.09/7,319.12 = 2,777.40/x
  3. Step 3: Cross multiply
    4,884.09x = 7,319.12 × 2,777.40
  4. Step 4: Simplify right side
    4,884.09x = 20,328,087.29
  5. Step 5: Solve for x
    x = 20,328,087.29/4,884.09
  6. Step 6: Final answer
    x = 4,162.10

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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.