Home / 4,841.36-7,261.20-1,378.88

Finding the Fourth Proportional to 4,841.36, 7,261.20 and 1,378.88

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Solution

The fourth proportional to 4,841.36, 7,261.20 and 1,378.88 is: 2,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.36 : 7,261.20 = 1,378.88 : x
  2. Step 2: Convert to fraction form
    4,841.36/7,261.20 = 1,378.88/x
  3. Step 3: Cross multiply
    4,841.36x = 7,261.20 × 1,378.88
  4. Step 4: Simplify right side
    4,841.36x = 10,012,323.46
  5. Step 5: Solve for x
    x = 10,012,323.46/4,841.36
  6. Step 6: Final answer
    x = 2,068.08

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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.