Home / 5,227.30-7,840.95-2,455.89

Finding the Fourth Proportional to 5,227.30, 7,840.95 and 2,455.89

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Solution

The fourth proportional to 5,227.30, 7,840.95 and 2,455.89 is: 3,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.30 : 7,840.95 = 2,455.89 : x
  2. Step 2: Convert to fraction form
    5,227.30/7,840.95 = 2,455.89/x
  3. Step 3: Cross multiply
    5,227.30x = 7,840.95 × 2,455.89
  4. Step 4: Simplify right side
    5,227.30x = 19,256,510.70
  5. Step 5: Solve for x
    x = 19,256,510.70/5,227.30
  6. Step 6: Final answer
    x = 3,683.84

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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.