Home / 4,969.40-7,454.26-2,045.72

Finding the Fourth Proportional to 4,969.40, 7,454.26 and 2,045.72

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Solution

The fourth proportional to 4,969.40, 7,454.26 and 2,045.72 is: 3,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.40 : 7,454.26 = 2,045.72 : x
  2. Step 2: Convert to fraction form
    4,969.40/7,454.26 = 2,045.72/x
  3. Step 3: Cross multiply
    4,969.40x = 7,454.26 × 2,045.72
  4. Step 4: Simplify right side
    4,969.40x = 15,249,328.77
  5. Step 5: Solve for x
    x = 15,249,328.77/4,969.40
  6. Step 6: Final answer
    x = 3,068.65

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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.