Home / 7,688.63-11,536.59-4,574.79

Finding the Fourth Proportional to 7,688.63, 11,536.59 and 4,574.79

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Solution

The fourth proportional to 7,688.63, 11,536.59 and 4,574.79 is: 6,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.63 : 11,536.59 = 4,574.79 : x
  2. Step 2: Convert to fraction form
    7,688.63/11,536.59 = 4,574.79/x
  3. Step 3: Cross multiply
    7,688.63x = 11,536.59 × 4,574.79
  4. Step 4: Simplify right side
    7,688.63x = 52,777,476.57
  5. Step 5: Solve for x
    x = 52,777,476.57/7,688.63
  6. Step 6: Final answer
    x = 6,864.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.