Home / 4,852.41-7,278.61-1,389.66

Finding the Fourth Proportional to 4,852.41, 7,278.61 and 1,389.66

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Solution

The fourth proportional to 4,852.41, 7,278.61 and 1,389.66 is: 2,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,852.41 : 7,278.61 = 1,389.66 : x
  2. Step 2: Convert to fraction form
    4,852.41/7,278.61 = 1,389.66/x
  3. Step 3: Cross multiply
    4,852.41x = 7,278.61 × 1,389.66
  4. Step 4: Simplify right side
    4,852.41x = 10,114,765.01
  5. Step 5: Solve for x
    x = 10,114,765.01/4,852.41
  6. Step 6: Final answer
    x = 2,084.48

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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.