Home / 8,787.15-12,126.56-4,808.26

Finding the Fourth Proportional to 8,787.15, 12,126.56 and 4,808.26

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Solution

The fourth proportional to 8,787.15, 12,126.56 and 4,808.26 is: 6,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.15 : 12,126.56 = 4,808.26 : x
  2. Step 2: Convert to fraction form
    8,787.15/12,126.56 = 4,808.26/x
  3. Step 3: Cross multiply
    8,787.15x = 12,126.56 × 4,808.26
  4. Step 4: Simplify right side
    8,787.15x = 58,307,653.39
  5. Step 5: Solve for x
    x = 58,307,653.39/8,787.15
  6. Step 6: Final answer
    x = 6,635.56

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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.