Home / 7,426.64-11,139.96-3,528.92

Finding the Fourth Proportional to 7,426.64, 11,139.96 and 3,528.92

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Solution

The fourth proportional to 7,426.64, 11,139.96 and 3,528.92 is: 5,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.64 : 11,139.96 = 3,528.92 : x
  2. Step 2: Convert to fraction form
    7,426.64/11,139.96 = 3,528.92/x
  3. Step 3: Cross multiply
    7,426.64x = 11,139.96 × 3,528.92
  4. Step 4: Simplify right side
    7,426.64x = 39,312,027.64
  5. Step 5: Solve for x
    x = 39,312,027.64/7,426.64
  6. Step 6: Final answer
    x = 5,293.38

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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.