Home / 7,288.10-10,937.55-2,908.70

Finding the Fourth Proportional to 7,288.10, 10,937.55 and 2,908.70

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Solution

The fourth proportional to 7,288.10, 10,937.55 and 2,908.70 is: 4,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.10 : 10,937.55 = 2,908.70 : x
  2. Step 2: Convert to fraction form
    7,288.10/10,937.55 = 2,908.70/x
  3. Step 3: Cross multiply
    7,288.10x = 10,937.55 × 2,908.70
  4. Step 4: Simplify right side
    7,288.10x = 31,814,051.69
  5. Step 5: Solve for x
    x = 31,814,051.69/7,288.10
  6. Step 6: Final answer
    x = 4,365.21

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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.