Home / 8,956.18-12,360-4,977.37

Finding the Fourth Proportional to 8,956.18, 12,360 and 4,977.37

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Solution

The fourth proportional to 8,956.18, 12,360 and 4,977.37 is: 6,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.18 : 12,360 = 4,977.37 : x
  2. Step 2: Convert to fraction form
    8,956.18/12,360 = 4,977.37/x
  3. Step 3: Cross multiply
    8,956.18x = 12,360 × 4,977.37
  4. Step 4: Simplify right side
    8,956.18x = 61,520,293.20
  5. Step 5: Solve for x
    x = 61,520,293.20/8,956.18
  6. Step 6: Final answer
    x = 6,869.03

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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.