Home / 8,870.58-13,301.64-5,173.92

Finding the Fourth Proportional to 8,870.58, 13,301.64 and 5,173.92

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Solution

The fourth proportional to 8,870.58, 13,301.64 and 5,173.92 is: 7,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.58 : 13,301.64 = 5,173.92 : x
  2. Step 2: Convert to fraction form
    8,870.58/13,301.64 = 5,173.92/x
  3. Step 3: Cross multiply
    8,870.58x = 13,301.64 × 5,173.92
  4. Step 4: Simplify right side
    8,870.58x = 68,821,621.23
  5. Step 5: Solve for x
    x = 68,821,621.23/8,870.58
  6. Step 6: Final answer
    x = 7,758.41

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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.