Home / 8,356.02-12,533.58-2,809.47

Finding the Fourth Proportional to 8,356.02, 12,533.58 and 2,809.47

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Solution

The fourth proportional to 8,356.02, 12,533.58 and 2,809.47 is: 4,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.02 : 12,533.58 = 2,809.47 : x
  2. Step 2: Convert to fraction form
    8,356.02/12,533.58 = 2,809.47/x
  3. Step 3: Cross multiply
    8,356.02x = 12,533.58 × 2,809.47
  4. Step 4: Simplify right side
    8,356.02x = 35,212,717.00
  5. Step 5: Solve for x
    x = 35,212,717.00/8,356.02
  6. Step 6: Final answer
    x = 4,214.05

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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.