Home / 7,089.75-10,634.63-2,925.18

Finding the Fourth Proportional to 7,089.75, 10,634.63 and 2,925.18

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Solution

The fourth proportional to 7,089.75, 10,634.63 and 2,925.18 is: 4,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.75 : 10,634.63 = 2,925.18 : x
  2. Step 2: Convert to fraction form
    7,089.75/10,634.63 = 2,925.18/x
  3. Step 3: Cross multiply
    7,089.75x = 10,634.63 × 2,925.18
  4. Step 4: Simplify right side
    7,089.75x = 31,108,187.97
  5. Step 5: Solve for x
    x = 31,108,187.97/7,089.75
  6. Step 6: Final answer
    x = 4,387.77

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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.