Home / 10,485.08-15,730.32-3,089.24

Finding the Fourth Proportional to 10,485.08, 15,730.32 and 3,089.24

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Solution

The fourth proportional to 10,485.08, 15,730.32 and 3,089.24 is: 4,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.08 : 15,730.32 = 3,089.24 : x
  2. Step 2: Convert to fraction form
    10,485.08/15,730.32 = 3,089.24/x
  3. Step 3: Cross multiply
    10,485.08x = 15,730.32 × 3,089.24
  4. Step 4: Simplify right side
    10,485.08x = 48,594,733.76
  5. Step 5: Solve for x
    x = 48,594,733.76/10,485.08
  6. Step 6: Final answer
    x = 4,634.66

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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.