Home / 5,636.48-7,776.64-3,510.88

Finding the Fourth Proportional to 5,636.48, 7,776.64 and 3,510.88

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Solution

The fourth proportional to 5,636.48, 7,776.64 and 3,510.88 is: 4,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.48 : 7,776.64 = 3,510.88 : x
  2. Step 2: Convert to fraction form
    5,636.48/7,776.64 = 3,510.88/x
  3. Step 3: Cross multiply
    5,636.48x = 7,776.64 × 3,510.88
  4. Step 4: Simplify right side
    5,636.48x = 27,302,849.84
  5. Step 5: Solve for x
    x = 27,302,849.84/5,636.48
  6. Step 6: Final answer
    x = 4,843.95

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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.