Home / 8,964.30-12,369.78-4,984.77

Finding the Fourth Proportional to 8,964.30, 12,369.78 and 4,984.77

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Solution

The fourth proportional to 8,964.30, 12,369.78 and 4,984.77 is: 6,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.30 : 12,369.78 = 4,984.77 : x
  2. Step 2: Convert to fraction form
    8,964.30/12,369.78 = 4,984.77/x
  3. Step 3: Cross multiply
    8,964.30x = 12,369.78 × 4,984.77
  4. Step 4: Simplify right side
    8,964.30x = 61,660,446.40
  5. Step 5: Solve for x
    x = 61,660,446.40/8,964.30
  6. Step 6: Final answer
    x = 6,878.45

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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.