Home / 5,047.70-7,569.09-1,536.80

Finding the Fourth Proportional to 5,047.70, 7,569.09 and 1,536.80

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Solution

The fourth proportional to 5,047.70, 7,569.09 and 1,536.80 is: 2,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.70 : 7,569.09 = 1,536.80 : x
  2. Step 2: Convert to fraction form
    5,047.70/7,569.09 = 1,536.80/x
  3. Step 3: Cross multiply
    5,047.70x = 7,569.09 × 1,536.80
  4. Step 4: Simplify right side
    5,047.70x = 11,632,139.67
  5. Step 5: Solve for x
    x = 11,632,139.67/5,047.70
  6. Step 6: Final answer
    x = 2,304.45

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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.