Home / 8,310.63-11,468.08-4,677.21

Finding the Fourth Proportional to 8,310.63, 11,468.08 and 4,677.21

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Solution

The fourth proportional to 8,310.63, 11,468.08 and 4,677.21 is: 6,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.63 : 11,468.08 = 4,677.21 : x
  2. Step 2: Convert to fraction form
    8,310.63/11,468.08 = 4,677.21/x
  3. Step 3: Cross multiply
    8,310.63x = 11,468.08 × 4,677.21
  4. Step 4: Simplify right side
    8,310.63x = 53,638,618.46
  5. Step 5: Solve for x
    x = 53,638,618.46/8,310.63
  6. Step 6: Final answer
    x = 6,454.22

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Double scale
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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.