Home / 4,970.30-7,448.97-2,045.30

Finding the Fourth Proportional to 4,970.30, 7,448.97 and 2,045.30

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Solution

The fourth proportional to 4,970.30, 7,448.97 and 2,045.30 is: 3,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.30 : 7,448.97 = 2,045.30 : x
  2. Step 2: Convert to fraction form
    4,970.30/7,448.97 = 2,045.30/x
  3. Step 3: Cross multiply
    4,970.30x = 7,448.97 × 2,045.30
  4. Step 4: Simplify right side
    4,970.30x = 15,235,378.34
  5. Step 5: Solve for x
    x = 15,235,378.34/4,970.30
  6. Step 6: Final answer
    x = 3,065.28

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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.