Home / 7,422.91-11,133.32-1,875.91

Finding the Fourth Proportional to 7,422.91, 11,133.32 and 1,875.91

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Solution

The fourth proportional to 7,422.91, 11,133.32 and 1,875.91 is: 2,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.91 : 11,133.32 = 1,875.91 : x
  2. Step 2: Convert to fraction form
    7,422.91/11,133.32 = 1,875.91/x
  3. Step 3: Cross multiply
    7,422.91x = 11,133.32 × 1,875.91
  4. Step 4: Simplify right side
    7,422.91x = 20,885,089.98
  5. Step 5: Solve for x
    x = 20,885,089.98/7,422.91
  6. Step 6: Final answer
    x = 2,813.60

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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.