Home / 4,827.28-7,236-1,904.40

Finding the Fourth Proportional to 4,827.28, 7,236 and 1,904.40

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Solution

The fourth proportional to 4,827.28, 7,236 and 1,904.40 is: 2,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.28 : 7,236 = 1,904.40 : x
  2. Step 2: Convert to fraction form
    4,827.28/7,236 = 1,904.40/x
  3. Step 3: Cross multiply
    4,827.28x = 7,236 × 1,904.40
  4. Step 4: Simplify right side
    4,827.28x = 13,780,238.40
  5. Step 5: Solve for x
    x = 13,780,238.40/4,827.28
  6. Step 6: Final answer
    x = 2,854.66

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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.