Home / 4,985.25-7,482.48-2,521.81

Finding the Fourth Proportional to 4,985.25, 7,482.48 and 2,521.81

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Solution

The fourth proportional to 4,985.25, 7,482.48 and 2,521.81 is: 3,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.25 : 7,482.48 = 2,521.81 : x
  2. Step 2: Convert to fraction form
    4,985.25/7,482.48 = 2,521.81/x
  3. Step 3: Cross multiply
    4,985.25x = 7,482.48 × 2,521.81
  4. Step 4: Simplify right side
    4,985.25x = 18,869,392.89
  5. Step 5: Solve for x
    x = 18,869,392.89/4,985.25
  6. Step 6: Final answer
    x = 3,785.04

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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.