Home / 8,664.99-11,957.72-4,686.13

Finding the Fourth Proportional to 8,664.99, 11,957.72 and 4,686.13

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Solution

The fourth proportional to 8,664.99, 11,957.72 and 4,686.13 is: 6,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.99 : 11,957.72 = 4,686.13 : x
  2. Step 2: Convert to fraction form
    8,664.99/11,957.72 = 4,686.13/x
  3. Step 3: Cross multiply
    8,664.99x = 11,957.72 × 4,686.13
  4. Step 4: Simplify right side
    8,664.99x = 56,035,430.42
  5. Step 5: Solve for x
    x = 56,035,430.42/8,664.99
  6. Step 6: Final answer
    x = 6,466.88

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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.