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Finding the Fourth Proportional to 6,787.99, 9,345.03 and 5,903.32

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Solution

The fourth proportional to 6,787.99, 9,345.03 and 5,903.32 is: 8,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.99 : 9,345.03 = 5,903.32 : x
  2. Step 2: Convert to fraction form
    6,787.99/9,345.03 = 5,903.32/x
  3. Step 3: Cross multiply
    6,787.99x = 9,345.03 × 5,903.32
  4. Step 4: Simplify right side
    6,787.99x = 55,166,702.50
  5. Step 5: Solve for x
    x = 55,166,702.50/6,787.99
  6. Step 6: Final answer
    x = 8,127.10

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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.