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Finding the Fourth Proportional to 6,466.28, 8,926.18 and 5,688.68

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Solution

The fourth proportional to 6,466.28, 8,926.18 and 5,688.68 is: 7,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.28 : 8,926.18 = 5,688.68 : x
  2. Step 2: Convert to fraction form
    6,466.28/8,926.18 = 5,688.68/x
  3. Step 3: Cross multiply
    6,466.28x = 8,926.18 × 5,688.68
  4. Step 4: Simplify right side
    6,466.28x = 50,778,181.64
  5. Step 5: Solve for x
    x = 50,778,181.64/6,466.28
  6. Step 6: Final answer
    x = 7,852.77

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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.