Home / 6,319.10-8,723.48-4,899.57

Finding the Fourth Proportional to 6,319.10, 8,723.48 and 4,899.57

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Solution

The fourth proportional to 6,319.10, 8,723.48 and 4,899.57 is: 6,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.10 : 8,723.48 = 4,899.57 : x
  2. Step 2: Convert to fraction form
    6,319.10/8,723.48 = 4,899.57/x
  3. Step 3: Cross multiply
    6,319.10x = 8,723.48 × 4,899.57
  4. Step 4: Simplify right side
    6,319.10x = 42,741,276.41
  5. Step 5: Solve for x
    x = 42,741,276.41/6,319.10
  6. Step 6: Final answer
    x = 6,763.83

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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.