Home / 8,665.32-11,957.30-4,889.07

Finding the Fourth Proportional to 8,665.32, 11,957.30 and 4,889.07

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Solution

The fourth proportional to 8,665.32, 11,957.30 and 4,889.07 is: 6,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.32 : 11,957.30 = 4,889.07 : x
  2. Step 2: Convert to fraction form
    8,665.32/11,957.30 = 4,889.07/x
  3. Step 3: Cross multiply
    8,665.32x = 11,957.30 × 4,889.07
  4. Step 4: Simplify right side
    8,665.32x = 58,460,052.27
  5. Step 5: Solve for x
    x = 58,460,052.27/8,665.32
  6. Step 6: Final answer
    x = 6,746.44

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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.