Home / 4,690.45-7,034.91-1,570.42

Finding the Fourth Proportional to 4,690.45, 7,034.91 and 1,570.42

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Solution

The fourth proportional to 4,690.45, 7,034.91 and 1,570.42 is: 2,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.45 : 7,034.91 = 1,570.42 : x
  2. Step 2: Convert to fraction form
    4,690.45/7,034.91 = 1,570.42/x
  3. Step 3: Cross multiply
    4,690.45x = 7,034.91 × 1,570.42
  4. Step 4: Simplify right side
    4,690.45x = 11,047,763.36
  5. Step 5: Solve for x
    x = 11,047,763.36/4,690.45
  6. Step 6: Final answer
    x = 2,355.37

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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.