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Finding the Fourth Proportional to 6,394.92, 8,807.34 and 5,510.40

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Solution

The fourth proportional to 6,394.92, 8,807.34 and 5,510.40 is: 7,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.92 : 8,807.34 = 5,510.40 : x
  2. Step 2: Convert to fraction form
    6,394.92/8,807.34 = 5,510.40/x
  3. Step 3: Cross multiply
    6,394.92x = 8,807.34 × 5,510.40
  4. Step 4: Simplify right side
    6,394.92x = 48,531,966.34
  5. Step 5: Solve for x
    x = 48,531,966.34/6,394.92
  6. Step 6: Final answer
    x = 7,589.14

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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.