Home / 8,158.70-11,259.30-4,621.83

Finding the Fourth Proportional to 8,158.70, 11,259.30 and 4,621.83

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Solution

The fourth proportional to 8,158.70, 11,259.30 and 4,621.83 is: 6,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.70 : 11,259.30 = 4,621.83 : x
  2. Step 2: Convert to fraction form
    8,158.70/11,259.30 = 4,621.83/x
  3. Step 3: Cross multiply
    8,158.70x = 11,259.30 × 4,621.83
  4. Step 4: Simplify right side
    8,158.70x = 52,038,570.52
  5. Step 5: Solve for x
    x = 52,038,570.52/8,158.70
  6. Step 6: Final answer
    x = 6,378.30

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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.