Home / 7,288.11-10,929.83-3,127.01

Finding the Fourth Proportional to 7,288.11, 10,929.83 and 3,127.01

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Solution

The fourth proportional to 7,288.11, 10,929.83 and 3,127.01 is: 4,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.11 : 10,929.83 = 3,127.01 : x
  2. Step 2: Convert to fraction form
    7,288.11/10,929.83 = 3,127.01/x
  3. Step 3: Cross multiply
    7,288.11x = 10,929.83 × 3,127.01
  4. Step 4: Simplify right side
    7,288.11x = 34,177,617.42
  5. Step 5: Solve for x
    x = 34,177,617.42/7,288.11
  6. Step 6: Final answer
    x = 4,689.50

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1.5x scale

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.