Home / 5,455.28-8,182.93-1,758.06

Finding the Fourth Proportional to 5,455.28, 8,182.93 and 1,758.06

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Solution

The fourth proportional to 5,455.28, 8,182.93 and 1,758.06 is: 2,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.28 : 8,182.93 = 1,758.06 : x
  2. Step 2: Convert to fraction form
    5,455.28/8,182.93 = 1,758.06/x
  3. Step 3: Cross multiply
    5,455.28x = 8,182.93 × 1,758.06
  4. Step 4: Simplify right side
    5,455.28x = 14,386,062.90
  5. Step 5: Solve for x
    x = 14,386,062.90/5,455.28
  6. Step 6: Final answer
    x = 2,637.09

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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.