Home / 8,826.24-12,179.52-6,312

Finding the Fourth Proportional to 8,826.24, 12,179.52 and 6,312

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Solution

The fourth proportional to 8,826.24, 12,179.52 and 6,312 is: 8,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.24 : 12,179.52 = 6,312 : x
  2. Step 2: Convert to fraction form
    8,826.24/12,179.52 = 6,312/x
  3. Step 3: Cross multiply
    8,826.24x = 12,179.52 × 6,312
  4. Step 4: Simplify right side
    8,826.24x = 76,877,130.24
  5. Step 5: Solve for x
    x = 76,877,130.24/8,826.24
  6. Step 6: Final answer
    x = 8,710.07

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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.