Home / 4,275.38-6,411.54-1,643.06

Finding the Fourth Proportional to 4,275.38, 6,411.54 and 1,643.06

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Solution

The fourth proportional to 4,275.38, 6,411.54 and 1,643.06 is: 2,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.38 : 6,411.54 = 1,643.06 : x
  2. Step 2: Convert to fraction form
    4,275.38/6,411.54 = 1,643.06/x
  3. Step 3: Cross multiply
    4,275.38x = 6,411.54 × 1,643.06
  4. Step 4: Simplify right side
    4,275.38x = 10,534,544.91
  5. Step 5: Solve for x
    x = 10,534,544.91/4,275.38
  6. Step 6: Final answer
    x = 2,464.00

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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.