Home / 4,182.72-6,275.52-1,875.12

Finding the Fourth Proportional to 4,182.72, 6,275.52 and 1,875.12

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Solution

The fourth proportional to 4,182.72, 6,275.52 and 1,875.12 is: 2,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.72 : 6,275.52 = 1,875.12 : x
  2. Step 2: Convert to fraction form
    4,182.72/6,275.52 = 1,875.12/x
  3. Step 3: Cross multiply
    4,182.72x = 6,275.52 × 1,875.12
  4. Step 4: Simplify right side
    4,182.72x = 11,767,353.06
  5. Step 5: Solve for x
    x = 11,767,353.06/4,182.72
  6. Step 6: Final answer
    x = 2,813.33

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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.