Home / 4,848.06-7,272.36-1,385.40

Finding the Fourth Proportional to 4,848.06, 7,272.36 and 1,385.40

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Solution

The fourth proportional to 4,848.06, 7,272.36 and 1,385.40 is: 2,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.06 : 7,272.36 = 1,385.40 : x
  2. Step 2: Convert to fraction form
    4,848.06/7,272.36 = 1,385.40/x
  3. Step 3: Cross multiply
    4,848.06x = 7,272.36 × 1,385.40
  4. Step 4: Simplify right side
    4,848.06x = 10,075,127.54
  5. Step 5: Solve for x
    x = 10,075,127.54/4,848.06
  6. Step 6: Final answer
    x = 2,078.18

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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.