Home / 4,878.61-7,317.14-1,368.25

Finding the Fourth Proportional to 4,878.61, 7,317.14 and 1,368.25

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Solution

The fourth proportional to 4,878.61, 7,317.14 and 1,368.25 is: 2,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.61 : 7,317.14 = 1,368.25 : x
  2. Step 2: Convert to fraction form
    4,878.61/7,317.14 = 1,368.25/x
  3. Step 3: Cross multiply
    4,878.61x = 7,317.14 × 1,368.25
  4. Step 4: Simplify right side
    4,878.61x = 10,011,651.67
  5. Step 5: Solve for x
    x = 10,011,651.67/4,878.61
  6. Step 6: Final answer
    x = 2,052.15

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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.