Home / 7,664.55-10,574.04-4,679.29

Finding the Fourth Proportional to 7,664.55, 10,574.04 and 4,679.29

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Solution

The fourth proportional to 7,664.55, 10,574.04 and 4,679.29 is: 6,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.55 : 10,574.04 = 4,679.29 : x
  2. Step 2: Convert to fraction form
    7,664.55/10,574.04 = 4,679.29/x
  3. Step 3: Cross multiply
    7,664.55x = 10,574.04 × 4,679.29
  4. Step 4: Simplify right side
    7,664.55x = 49,478,999.63
  5. Step 5: Solve for x
    x = 49,478,999.63/7,664.55
  6. Step 6: Final answer
    x = 6,455.56

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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.