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Finding the Fourth Proportional to 8,567.47, 11,808.93 and 5,733.82

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Solution

The fourth proportional to 8,567.47, 11,808.93 and 5,733.82 is: 7,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.47 : 11,808.93 = 5,733.82 : x
  2. Step 2: Convert to fraction form
    8,567.47/11,808.93 = 5,733.82/x
  3. Step 3: Cross multiply
    8,567.47x = 11,808.93 × 5,733.82
  4. Step 4: Simplify right side
    8,567.47x = 67,710,279.01
  5. Step 5: Solve for x
    x = 67,710,279.01/8,567.47
  6. Step 6: Final answer
    x = 7,903.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.