Home / 8,555.16-11,804.40-5,015.88

Finding the Fourth Proportional to 8,555.16, 11,804.40 and 5,015.88

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Solution

The fourth proportional to 8,555.16, 11,804.40 and 5,015.88 is: 6,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.16 : 11,804.40 = 5,015.88 : x
  2. Step 2: Convert to fraction form
    8,555.16/11,804.40 = 5,015.88/x
  3. Step 3: Cross multiply
    8,555.16x = 11,804.40 × 5,015.88
  4. Step 4: Simplify right side
    8,555.16x = 59,209,453.87
  5. Step 5: Solve for x
    x = 59,209,453.87/8,555.16
  6. Step 6: Final answer
    x = 6,920.91

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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.