Home / 4,920.09-7,378.84-2,453.10

Finding the Fourth Proportional to 4,920.09, 7,378.84 and 2,453.10

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Solution

The fourth proportional to 4,920.09, 7,378.84 and 2,453.10 is: 3,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.09 : 7,378.84 = 2,453.10 : x
  2. Step 2: Convert to fraction form
    4,920.09/7,378.84 = 2,453.10/x
  3. Step 3: Cross multiply
    4,920.09x = 7,378.84 × 2,453.10
  4. Step 4: Simplify right side
    4,920.09x = 18,101,032.40
  5. Step 5: Solve for x
    x = 18,101,032.40/4,920.09
  6. Step 6: Final answer
    x = 3,679.00

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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.