Home / 4,827.40-7,235.58-1,904.20

Finding the Fourth Proportional to 4,827.40, 7,235.58 and 1,904.20

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Solution

The fourth proportional to 4,827.40, 7,235.58 and 1,904.20 is: 2,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.40 : 7,235.58 = 1,904.20 : x
  2. Step 2: Convert to fraction form
    4,827.40/7,235.58 = 1,904.20/x
  3. Step 3: Cross multiply
    4,827.40x = 7,235.58 × 1,904.20
  4. Step 4: Simplify right side
    4,827.40x = 13,777,991.44
  5. Step 5: Solve for x
    x = 13,777,991.44/4,827.40
  6. Step 6: Final answer
    x = 2,854.12

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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.