Home / 4,716.78-7,075.23-1,430.70

Finding the Fourth Proportional to 4,716.78, 7,075.23 and 1,430.70

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Solution

The fourth proportional to 4,716.78, 7,075.23 and 1,430.70 is: 2,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.78 : 7,075.23 = 1,430.70 : x
  2. Step 2: Convert to fraction form
    4,716.78/7,075.23 = 1,430.70/x
  3. Step 3: Cross multiply
    4,716.78x = 7,075.23 × 1,430.70
  4. Step 4: Simplify right side
    4,716.78x = 10,122,531.56
  5. Step 5: Solve for x
    x = 10,122,531.56/4,716.78
  6. Step 6: Final answer
    x = 2,146.07

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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.