Home / 5,248.21-7,870.48-1,549.46

Finding the Fourth Proportional to 5,248.21, 7,870.48 and 1,549.46

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Solution

The fourth proportional to 5,248.21, 7,870.48 and 1,549.46 is: 2,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.21 : 7,870.48 = 1,549.46 : x
  2. Step 2: Convert to fraction form
    5,248.21/7,870.48 = 1,549.46/x
  3. Step 3: Cross multiply
    5,248.21x = 7,870.48 × 1,549.46
  4. Step 4: Simplify right side
    5,248.21x = 12,194,993.94
  5. Step 5: Solve for x
    x = 12,194,993.94/5,248.21
  6. Step 6: Final answer
    x = 2,323.65

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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.