Home / 4,086.92-6,130.01-1,621.10

Finding the Fourth Proportional to 4,086.92, 6,130.01 and 1,621.10

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Solution

The fourth proportional to 4,086.92, 6,130.01 and 1,621.10 is: 2,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.92 : 6,130.01 = 1,621.10 : x
  2. Step 2: Convert to fraction form
    4,086.92/6,130.01 = 1,621.10/x
  3. Step 3: Cross multiply
    4,086.92x = 6,130.01 × 1,621.10
  4. Step 4: Simplify right side
    4,086.92x = 9,937,359.21
  5. Step 5: Solve for x
    x = 9,937,359.21/4,086.92
  6. Step 6: Final answer
    x = 2,431.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.