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Finding the Fourth Proportional to 8,557, 12,798.44 and 5,038.62

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Solution

The fourth proportional to 8,557, 12,798.44 and 5,038.62 is: 7,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557 : 12,798.44 = 5,038.62 : x
  2. Step 2: Convert to fraction form
    8,557/12,798.44 = 5,038.62/x
  3. Step 3: Cross multiply
    8,557x = 12,798.44 × 5,038.62
  4. Step 4: Simplify right side
    8,557x = 64,486,475.75
  5. Step 5: Solve for x
    x = 64,486,475.75/8,557
  6. Step 6: Final answer
    x = 7,536.11

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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.