Home / 8,736.21-12,056.22-4,757.40

Finding the Fourth Proportional to 8,736.21, 12,056.22 and 4,757.40

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Solution

The fourth proportional to 8,736.21, 12,056.22 and 4,757.40 is: 6,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.21 : 12,056.22 = 4,757.40 : x
  2. Step 2: Convert to fraction form
    8,736.21/12,056.22 = 4,757.40/x
  3. Step 3: Cross multiply
    8,736.21x = 12,056.22 × 4,757.40
  4. Step 4: Simplify right side
    8,736.21x = 57,356,261.03
  5. Step 5: Solve for x
    x = 57,356,261.03/8,736.21
  6. Step 6: Final answer
    x = 6,565.35

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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.