Home / 8,718.48-13,068.81-4,556.31

Finding the Fourth Proportional to 8,718.48, 13,068.81 and 4,556.31

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Solution

The fourth proportional to 8,718.48, 13,068.81 and 4,556.31 is: 6,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.48 : 13,068.81 = 4,556.31 : x
  2. Step 2: Convert to fraction form
    8,718.48/13,068.81 = 4,556.31/x
  3. Step 3: Cross multiply
    8,718.48x = 13,068.81 × 4,556.31
  4. Step 4: Simplify right side
    8,718.48x = 59,545,549.69
  5. Step 5: Solve for x
    x = 59,545,549.69/8,718.48
  6. Step 6: Final answer
    x = 6,829.81

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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.