Home / 8,665.05-11,957.73-4,686.17

Finding the Fourth Proportional to 8,665.05, 11,957.73 and 4,686.17

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Solution

The fourth proportional to 8,665.05, 11,957.73 and 4,686.17 is: 6,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.05 : 11,957.73 = 4,686.17 : x
  2. Step 2: Convert to fraction form
    8,665.05/11,957.73 = 4,686.17/x
  3. Step 3: Cross multiply
    8,665.05x = 11,957.73 × 4,686.17
  4. Step 4: Simplify right side
    8,665.05x = 56,035,895.81
  5. Step 5: Solve for x
    x = 56,035,895.81/8,665.05
  6. Step 6: Final answer
    x = 6,466.89

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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.