Home / 7,009.17-10,520.71-3,722.29

Finding the Fourth Proportional to 7,009.17, 10,520.71 and 3,722.29

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Solution

The fourth proportional to 7,009.17, 10,520.71 and 3,722.29 is: 5,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.17 : 10,520.71 = 3,722.29 : x
  2. Step 2: Convert to fraction form
    7,009.17/10,520.71 = 3,722.29/x
  3. Step 3: Cross multiply
    7,009.17x = 10,520.71 × 3,722.29
  4. Step 4: Simplify right side
    7,009.17x = 39,161,133.63
  5. Step 5: Solve for x
    x = 39,161,133.63/7,009.17
  6. Step 6: Final answer
    x = 5,587.13

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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.