Home / 6,290.13-8,680.58-3,495.63

Finding the Fourth Proportional to 6,290.13, 8,680.58 and 3,495.63

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Solution

The fourth proportional to 6,290.13, 8,680.58 and 3,495.63 is: 4,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.13 : 8,680.58 = 3,495.63 : x
  2. Step 2: Convert to fraction form
    6,290.13/8,680.58 = 3,495.63/x
  3. Step 3: Cross multiply
    6,290.13x = 8,680.58 × 3,495.63
  4. Step 4: Simplify right side
    6,290.13x = 30,344,095.87
  5. Step 5: Solve for x
    x = 30,344,095.87/6,290.13
  6. Step 6: Final answer
    x = 4,824.08

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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.