Home / 4,889.60-7,334.40-4,716.80

Finding the Fourth Proportional to 4,889.60, 7,334.40 and 4,716.80

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Solution

The fourth proportional to 4,889.60, 7,334.40 and 4,716.80 is: 7,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.60 : 7,334.40 = 4,716.80 : x
  2. Step 2: Convert to fraction form
    4,889.60/7,334.40 = 4,716.80/x
  3. Step 3: Cross multiply
    4,889.60x = 7,334.40 × 4,716.80
  4. Step 4: Simplify right side
    4,889.60x = 34,594,897.92
  5. Step 5: Solve for x
    x = 34,594,897.92/4,889.60
  6. Step 6: Final answer
    x = 7,075.20

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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.