Home / 6,430.46-8,874.86-3,597.99

Finding the Fourth Proportional to 6,430.46, 8,874.86 and 3,597.99

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Solution

The fourth proportional to 6,430.46, 8,874.86 and 3,597.99 is: 4,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.46 : 8,874.86 = 3,597.99 : x
  2. Step 2: Convert to fraction form
    6,430.46/8,874.86 = 3,597.99/x
  3. Step 3: Cross multiply
    6,430.46x = 8,874.86 × 3,597.99
  4. Step 4: Simplify right side
    6,430.46x = 31,931,639.54
  5. Step 5: Solve for x
    x = 31,931,639.54/6,430.46
  6. Step 6: Final answer
    x = 4,965.69

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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.