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Finding the Fourth Proportional to 4,671, 6,445.35 and 2,681.19

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Solution

The fourth proportional to 4,671, 6,445.35 and 2,681.19 is: 3,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671 : 6,445.35 = 2,681.19 : x
  2. Step 2: Convert to fraction form
    4,671/6,445.35 = 2,681.19/x
  3. Step 3: Cross multiply
    4,671x = 6,445.35 × 2,681.19
  4. Step 4: Simplify right side
    4,671x = 17,281,207.97
  5. Step 5: Solve for x
    x = 17,281,207.97/4,671
  6. Step 6: Final answer
    x = 3,699.68

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Half scale
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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.