Home / 9,045.87-13,569-5,087.40

Finding the Fourth Proportional to 9,045.87, 13,569 and 5,087.40

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Solution

The fourth proportional to 9,045.87, 13,569 and 5,087.40 is: 7,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.87 : 13,569 = 5,087.40 : x
  2. Step 2: Convert to fraction form
    9,045.87/13,569 = 5,087.40/x
  3. Step 3: Cross multiply
    9,045.87x = 13,569 × 5,087.40
  4. Step 4: Simplify right side
    9,045.87x = 69,030,930.60
  5. Step 5: Solve for x
    x = 69,030,930.60/9,045.87
  6. Step 6: Final answer
    x = 7,631.21

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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.