Home / 5,228.24-7,840.31-1,895.70

Finding the Fourth Proportional to 5,228.24, 7,840.31 and 1,895.70

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Solution

The fourth proportional to 5,228.24, 7,840.31 and 1,895.70 is: 2,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.24 : 7,840.31 = 1,895.70 : x
  2. Step 2: Convert to fraction form
    5,228.24/7,840.31 = 1,895.70/x
  3. Step 3: Cross multiply
    5,228.24x = 7,840.31 × 1,895.70
  4. Step 4: Simplify right side
    5,228.24x = 14,862,851.01
  5. Step 5: Solve for x
    x = 14,862,851.01/5,228.24
  6. Step 6: Final answer
    x = 2,842.80

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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.