Home / 8,470.20-11,688.89-4,693.33

Finding the Fourth Proportional to 8,470.20, 11,688.89 and 4,693.33

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Solution

The fourth proportional to 8,470.20, 11,688.89 and 4,693.33 is: 6,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.20 : 11,688.89 = 4,693.33 : x
  2. Step 2: Convert to fraction form
    8,470.20/11,688.89 = 4,693.33/x
  3. Step 3: Cross multiply
    8,470.20x = 11,688.89 × 4,693.33
  4. Step 4: Simplify right side
    8,470.20x = 54,859,835.65
  5. Step 5: Solve for x
    x = 54,859,835.65/8,470.20
  6. Step 6: Final answer
    x = 6,476.81

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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.