Home / 7,823.70-11,735.55-5,328.90

Finding the Fourth Proportional to 7,823.70, 11,735.55 and 5,328.90

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Solution

The fourth proportional to 7,823.70, 11,735.55 and 5,328.90 is: 7,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.70 : 11,735.55 = 5,328.90 : x
  2. Step 2: Convert to fraction form
    7,823.70/11,735.55 = 5,328.90/x
  3. Step 3: Cross multiply
    7,823.70x = 11,735.55 × 5,328.90
  4. Step 4: Simplify right side
    7,823.70x = 62,537,572.40
  5. Step 5: Solve for x
    x = 62,537,572.40/7,823.70
  6. Step 6: Final answer
    x = 7,993.35

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1.5x scale

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.