Home / 4,411.81-6,617.73-1,490.20

Finding the Fourth Proportional to 4,411.81, 6,617.73 and 1,490.20

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Solution

The fourth proportional to 4,411.81, 6,617.73 and 1,490.20 is: 2,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.81 : 6,617.73 = 1,490.20 : x
  2. Step 2: Convert to fraction form
    4,411.81/6,617.73 = 1,490.20/x
  3. Step 3: Cross multiply
    4,411.81x = 6,617.73 × 1,490.20
  4. Step 4: Simplify right side
    4,411.81x = 9,861,741.25
  5. Step 5: Solve for x
    x = 9,861,741.25/4,411.81
  6. Step 6: Final answer
    x = 2,235.31

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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.