Home / 6,180.21-8,528.76-3,529.08

Finding the Fourth Proportional to 6,180.21, 8,528.76 and 3,529.08

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Solution

The fourth proportional to 6,180.21, 8,528.76 and 3,529.08 is: 4,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.21 : 8,528.76 = 3,529.08 : x
  2. Step 2: Convert to fraction form
    6,180.21/8,528.76 = 3,529.08/x
  3. Step 3: Cross multiply
    6,180.21x = 8,528.76 × 3,529.08
  4. Step 4: Simplify right side
    6,180.21x = 30,098,676.34
  5. Step 5: Solve for x
    x = 30,098,676.34/6,180.21
  6. Step 6: Final answer
    x = 4,870.17

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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.