Home / 7,124.39-10,677.27-5,156.64

Finding the Fourth Proportional to 7,124.39, 10,677.27 and 5,156.64

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Solution

The fourth proportional to 7,124.39, 10,677.27 and 5,156.64 is: 7,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.39 : 10,677.27 = 5,156.64 : x
  2. Step 2: Convert to fraction form
    7,124.39/10,677.27 = 5,156.64/x
  3. Step 3: Cross multiply
    7,124.39x = 10,677.27 × 5,156.64
  4. Step 4: Simplify right side
    7,124.39x = 55,058,837.57
  5. Step 5: Solve for x
    x = 55,058,837.57/7,124.39
  6. Step 6: Final answer
    x = 7,728.22

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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.