Home / 5,621.53-8,432.44-1,923.74

Finding the Fourth Proportional to 5,621.53, 8,432.44 and 1,923.74

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Solution

The fourth proportional to 5,621.53, 8,432.44 and 1,923.74 is: 2,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.53 : 8,432.44 = 1,923.74 : x
  2. Step 2: Convert to fraction form
    5,621.53/8,432.44 = 1,923.74/x
  3. Step 3: Cross multiply
    5,621.53x = 8,432.44 × 1,923.74
  4. Step 4: Simplify right side
    5,621.53x = 16,221,822.13
  5. Step 5: Solve for x
    x = 16,221,822.13/5,621.53
  6. Step 6: Final answer
    x = 2,885.66

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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.