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Finding the Fourth Proportional to 8,477.64, 12,715.01 and 2,237.72

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Solution

The fourth proportional to 8,477.64, 12,715.01 and 2,237.72 is: 3,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.64 : 12,715.01 = 2,237.72 : x
  2. Step 2: Convert to fraction form
    8,477.64/12,715.01 = 2,237.72/x
  3. Step 3: Cross multiply
    8,477.64x = 12,715.01 × 2,237.72
  4. Step 4: Simplify right side
    8,477.64x = 28,452,557.41
  5. Step 5: Solve for x
    x = 28,452,557.41/8,477.64
  6. Step 6: Final answer
    x = 3,356.19

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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.