Home / 7,048.78-10,572.33-1,855.06

Finding the Fourth Proportional to 7,048.78, 10,572.33 and 1,855.06

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Solution

The fourth proportional to 7,048.78, 10,572.33 and 1,855.06 is: 2,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.78 : 10,572.33 = 1,855.06 : x
  2. Step 2: Convert to fraction form
    7,048.78/10,572.33 = 1,855.06/x
  3. Step 3: Cross multiply
    7,048.78x = 10,572.33 × 1,855.06
  4. Step 4: Simplify right side
    7,048.78x = 19,612,306.49
  5. Step 5: Solve for x
    x = 19,612,306.49/7,048.78
  6. Step 6: Final answer
    x = 2,782.37

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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.