Home / 5,607.32-8,412.44-1,711.76

Finding the Fourth Proportional to 5,607.32, 8,412.44 and 1,711.76

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Solution

The fourth proportional to 5,607.32, 8,412.44 and 1,711.76 is: 2,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.32 : 8,412.44 = 1,711.76 : x
  2. Step 2: Convert to fraction form
    5,607.32/8,412.44 = 1,711.76/x
  3. Step 3: Cross multiply
    5,607.32x = 8,412.44 × 1,711.76
  4. Step 4: Simplify right side
    5,607.32x = 14,400,078.29
  5. Step 5: Solve for x
    x = 14,400,078.29/5,607.32
  6. Step 6: Final answer
    x = 2,568.09

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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.