Home / 7,648.16-10,553.63-4,664.79

Finding the Fourth Proportional to 7,648.16, 10,553.63 and 4,664.79

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Solution

The fourth proportional to 7,648.16, 10,553.63 and 4,664.79 is: 6,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.16 : 10,553.63 = 4,664.79 : x
  2. Step 2: Convert to fraction form
    7,648.16/10,553.63 = 4,664.79/x
  3. Step 3: Cross multiply
    7,648.16x = 10,553.63 × 4,664.79
  4. Step 4: Simplify right side
    7,648.16x = 49,230,444.36
  5. Step 5: Solve for x
    x = 49,230,444.36/7,648.16
  6. Step 6: Final answer
    x = 6,436.90

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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.