Home / 4,842.24-7,261.80-1,555.20

Finding the Fourth Proportional to 4,842.24, 7,261.80 and 1,555.20

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Solution

The fourth proportional to 4,842.24, 7,261.80 and 1,555.20 is: 2,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.24 : 7,261.80 = 1,555.20 : x
  2. Step 2: Convert to fraction form
    4,842.24/7,261.80 = 1,555.20/x
  3. Step 3: Cross multiply
    4,842.24x = 7,261.80 × 1,555.20
  4. Step 4: Simplify right side
    4,842.24x = 11,293,551.36
  5. Step 5: Solve for x
    x = 11,293,551.36/4,842.24
  6. Step 6: Final answer
    x = 2,332.30

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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.