Home / 6,400.50-9,599.63-1,720.83

Finding the Fourth Proportional to 6,400.50, 9,599.63 and 1,720.83

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Solution

The fourth proportional to 6,400.50, 9,599.63 and 1,720.83 is: 2,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.50 : 9,599.63 = 1,720.83 : x
  2. Step 2: Convert to fraction form
    6,400.50/9,599.63 = 1,720.83/x
  3. Step 3: Cross multiply
    6,400.50x = 9,599.63 × 1,720.83
  4. Step 4: Simplify right side
    6,400.50x = 16,519,331.29
  5. Step 5: Solve for x
    x = 16,519,331.29/6,400.50
  6. Step 6: Final answer
    x = 2,580.94

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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.