Home / 9,279.60-12,813.30-6,095.40

Finding the Fourth Proportional to 9,279.60, 12,813.30 and 6,095.40

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Solution

The fourth proportional to 9,279.60, 12,813.30 and 6,095.40 is: 8,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.60 : 12,813.30 = 6,095.40 : x
  2. Step 2: Convert to fraction form
    9,279.60/12,813.30 = 6,095.40/x
  3. Step 3: Cross multiply
    9,279.60x = 12,813.30 × 6,095.40
  4. Step 4: Simplify right side
    9,279.60x = 78,102,188.82
  5. Step 5: Solve for x
    x = 78,102,188.82/9,279.60
  6. Step 6: Final answer
    x = 8,416.55

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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.