Home / 8,470.06-12,705.70-2,923.32

Finding the Fourth Proportional to 8,470.06, 12,705.70 and 2,923.32

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Solution

The fourth proportional to 8,470.06, 12,705.70 and 2,923.32 is: 4,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.06 : 12,705.70 = 2,923.32 : x
  2. Step 2: Convert to fraction form
    8,470.06/12,705.70 = 2,923.32/x
  3. Step 3: Cross multiply
    8,470.06x = 12,705.70 × 2,923.32
  4. Step 4: Simplify right side
    8,470.06x = 37,142,826.92
  5. Step 5: Solve for x
    x = 37,142,826.92/8,470.06
  6. Step 6: Final answer
    x = 4,385.19

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1.5x scale

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.