Home / 7,011.12-9,675.30-3,867.24

Finding the Fourth Proportional to 7,011.12, 9,675.30 and 3,867.24

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Solution

The fourth proportional to 7,011.12, 9,675.30 and 3,867.24 is: 5,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.12 : 9,675.30 = 3,867.24 : x
  2. Step 2: Convert to fraction form
    7,011.12/9,675.30 = 3,867.24/x
  3. Step 3: Cross multiply
    7,011.12x = 9,675.30 × 3,867.24
  4. Step 4: Simplify right side
    7,011.12x = 37,416,707.17
  5. Step 5: Solve for x
    x = 37,416,707.17/7,011.12
  6. Step 6: Final answer
    x = 5,336.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.