Home / 9,285.59-12,822.35-6,312.48

Finding the Fourth Proportional to 9,285.59, 12,822.35 and 6,312.48

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Solution

The fourth proportional to 9,285.59, 12,822.35 and 6,312.48 is: 8,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.59 : 12,822.35 = 6,312.48 : x
  2. Step 2: Convert to fraction form
    9,285.59/12,822.35 = 6,312.48/x
  3. Step 3: Cross multiply
    9,285.59x = 12,822.35 × 6,312.48
  4. Step 4: Simplify right side
    9,285.59x = 80,940,796.37
  5. Step 5: Solve for x
    x = 80,940,796.37/9,285.59
  6. Step 6: Final answer
    x = 8,716.82

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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.