Home / 5,459.32-8,188.98-1,563.74

Finding the Fourth Proportional to 5,459.32, 8,188.98 and 1,563.74

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Solution

The fourth proportional to 5,459.32, 8,188.98 and 1,563.74 is: 2,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.32 : 8,188.98 = 1,563.74 : x
  2. Step 2: Convert to fraction form
    5,459.32/8,188.98 = 1,563.74/x
  3. Step 3: Cross multiply
    5,459.32x = 8,188.98 × 1,563.74
  4. Step 4: Simplify right side
    5,459.32x = 12,805,435.59
  5. Step 5: Solve for x
    x = 12,805,435.59/5,459.32
  6. Step 6: Final answer
    x = 2,345.61

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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.