Home / 8,155.90-11,258.57-5,506.90

Finding the Fourth Proportional to 8,155.90, 11,258.57 and 5,506.90

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Solution

The fourth proportional to 8,155.90, 11,258.57 and 5,506.90 is: 7,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.90 : 11,258.57 = 5,506.90 : x
  2. Step 2: Convert to fraction form
    8,155.90/11,258.57 = 5,506.90/x
  3. Step 3: Cross multiply
    8,155.90x = 11,258.57 × 5,506.90
  4. Step 4: Simplify right side
    8,155.90x = 61,999,804.75
  5. Step 5: Solve for x
    x = 61,999,804.75/8,155.90
  6. Step 6: Final answer
    x = 7,601.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.