Home / 8,158.70-11,259.57-4,621.94

Finding the Fourth Proportional to 8,158.70, 11,259.57 and 4,621.94

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Solution

The fourth proportional to 8,158.70, 11,259.57 and 4,621.94 is: 6,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.70 : 11,259.57 = 4,621.94 : x
  2. Step 2: Convert to fraction form
    8,158.70/11,259.57 = 4,621.94/x
  3. Step 3: Cross multiply
    8,158.70x = 11,259.57 × 4,621.94
  4. Step 4: Simplify right side
    8,158.70x = 52,041,056.97
  5. Step 5: Solve for x
    x = 52,041,056.97/8,158.70
  6. Step 6: Final answer
    x = 6,378.60

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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.