Home / 4,985.20-7,476.36-1,698.22

Finding the Fourth Proportional to 4,985.20, 7,476.36 and 1,698.22

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Solution

The fourth proportional to 4,985.20, 7,476.36 and 1,698.22 is: 2,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.20 : 7,476.36 = 1,698.22 : x
  2. Step 2: Convert to fraction form
    4,985.20/7,476.36 = 1,698.22/x
  3. Step 3: Cross multiply
    4,985.20x = 7,476.36 × 1,698.22
  4. Step 4: Simplify right side
    4,985.20x = 12,696,504.08
  5. Step 5: Solve for x
    x = 12,696,504.08/4,985.20
  6. Step 6: Final answer
    x = 2,546.84

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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.