Home / 9,277.80-13,919.90-4,087.40

Finding the Fourth Proportional to 9,277.80, 13,919.90 and 4,087.40

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Solution

The fourth proportional to 9,277.80, 13,919.90 and 4,087.40 is: 6,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.80 : 13,919.90 = 4,087.40 : x
  2. Step 2: Convert to fraction form
    9,277.80/13,919.90 = 4,087.40/x
  3. Step 3: Cross multiply
    9,277.80x = 13,919.90 × 4,087.40
  4. Step 4: Simplify right side
    9,277.80x = 56,896,199.26
  5. Step 5: Solve for x
    x = 56,896,199.26/9,277.80
  6. Step 6: Final answer
    x = 6,132.51

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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.