Home / 5,207.28-7,181.64-4,688.88

Finding the Fourth Proportional to 5,207.28, 7,181.64 and 4,688.88

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Solution

The fourth proportional to 5,207.28, 7,181.64 and 4,688.88 is: 6,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.28 : 7,181.64 = 4,688.88 : x
  2. Step 2: Convert to fraction form
    5,207.28/7,181.64 = 4,688.88/x
  3. Step 3: Cross multiply
    5,207.28x = 7,181.64 × 4,688.88
  4. Step 4: Simplify right side
    5,207.28x = 33,673,848.16
  5. Step 5: Solve for x
    x = 33,673,848.16/5,207.28
  6. Step 6: Final answer
    x = 6,466.69

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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.