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Finding the Fourth Proportional to 7,237.77, 10,856.39 and 2,620.77

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Solution

The fourth proportional to 7,237.77, 10,856.39 and 2,620.77 is: 3,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.77 : 10,856.39 = 2,620.77 : x
  2. Step 2: Convert to fraction form
    7,237.77/10,856.39 = 2,620.77/x
  3. Step 3: Cross multiply
    7,237.77x = 10,856.39 × 2,620.77
  4. Step 4: Simplify right side
    7,237.77x = 28,452,088.12
  5. Step 5: Solve for x
    x = 28,452,088.12/7,237.77
  6. Step 6: Final answer
    x = 3,931.06

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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.