Home / 6,316.61-8,716.61-3,521.57

Finding the Fourth Proportional to 6,316.61, 8,716.61 and 3,521.57

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Solution

The fourth proportional to 6,316.61, 8,716.61 and 3,521.57 is: 4,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.61 : 8,716.61 = 3,521.57 : x
  2. Step 2: Convert to fraction form
    6,316.61/8,716.61 = 3,521.57/x
  3. Step 3: Cross multiply
    6,316.61x = 8,716.61 × 3,521.57
  4. Step 4: Simplify right side
    6,316.61x = 30,696,134.67
  5. Step 5: Solve for x
    x = 30,696,134.67/6,316.61
  6. Step 6: Final answer
    x = 4,859.59

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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.