Home / 6,316.55-8,716.52-3,521.51

Finding the Fourth Proportional to 6,316.55, 8,716.52 and 3,521.51

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Solution

The fourth proportional to 6,316.55, 8,716.52 and 3,521.51 is: 4,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.55 : 8,716.52 = 3,521.51 : x
  2. Step 2: Convert to fraction form
    6,316.55/8,716.52 = 3,521.51/x
  3. Step 3: Cross multiply
    6,316.55x = 8,716.52 × 3,521.51
  4. Step 4: Simplify right side
    6,316.55x = 30,695,312.35
  5. Step 5: Solve for x
    x = 30,695,312.35/6,316.55
  6. Step 6: Final answer
    x = 4,859.51

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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.