Home / 8,439.35-11,646.95-4,855.41

Finding the Fourth Proportional to 8,439.35, 11,646.95 and 4,855.41

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Solution

The fourth proportional to 8,439.35, 11,646.95 and 4,855.41 is: 6,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.35 : 11,646.95 = 4,855.41 : x
  2. Step 2: Convert to fraction form
    8,439.35/11,646.95 = 4,855.41/x
  3. Step 3: Cross multiply
    8,439.35x = 11,646.95 × 4,855.41
  4. Step 4: Simplify right side
    8,439.35x = 56,550,717.50
  5. Step 5: Solve for x
    x = 56,550,717.50/8,439.35
  6. Step 6: Final answer
    x = 6,700.84

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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.