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Finding the Fourth Proportional to 8,592.51, 12,887.14 and 3,045.63

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Solution

The fourth proportional to 8,592.51, 12,887.14 and 3,045.63 is: 4,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.51 : 12,887.14 = 3,045.63 : x
  2. Step 2: Convert to fraction form
    8,592.51/12,887.14 = 3,045.63/x
  3. Step 3: Cross multiply
    8,592.51x = 12,887.14 × 3,045.63
  4. Step 4: Simplify right side
    8,592.51x = 39,249,460.20
  5. Step 5: Solve for x
    x = 39,249,460.20/8,592.51
  6. Step 6: Final answer
    x = 4,567.87

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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.