Home / 5,621.85-8,434.04-1,923.93

Finding the Fourth Proportional to 5,621.85, 8,434.04 and 1,923.93

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Solution

The fourth proportional to 5,621.85, 8,434.04 and 1,923.93 is: 2,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.85 : 8,434.04 = 1,923.93 : x
  2. Step 2: Convert to fraction form
    5,621.85/8,434.04 = 1,923.93/x
  3. Step 3: Cross multiply
    5,621.85x = 8,434.04 × 1,923.93
  4. Step 4: Simplify right side
    5,621.85x = 16,226,492.96
  5. Step 5: Solve for x
    x = 16,226,492.96/5,621.85
  6. Step 6: Final answer
    x = 2,886.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.