Home / 8,956.04-12,359.75-4,977.09

Finding the Fourth Proportional to 8,956.04, 12,359.75 and 4,977.09

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Solution

The fourth proportional to 8,956.04, 12,359.75 and 4,977.09 is: 6,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.04 : 12,359.75 = 4,977.09 : x
  2. Step 2: Convert to fraction form
    8,956.04/12,359.75 = 4,977.09/x
  3. Step 3: Cross multiply
    8,956.04x = 12,359.75 × 4,977.09
  4. Step 4: Simplify right side
    8,956.04x = 61,515,563.24
  5. Step 5: Solve for x
    x = 61,515,563.24/8,956.04
  6. Step 6: Final answer
    x = 6,868.62

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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.