Home / 5,127.09-7,690.28-2,928.93

Finding the Fourth Proportional to 5,127.09, 7,690.28 and 2,928.93

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Solution

The fourth proportional to 5,127.09, 7,690.28 and 2,928.93 is: 4,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.09 : 7,690.28 = 2,928.93 : x
  2. Step 2: Convert to fraction form
    5,127.09/7,690.28 = 2,928.93/x
  3. Step 3: Cross multiply
    5,127.09x = 7,690.28 × 2,928.93
  4. Step 4: Simplify right side
    5,127.09x = 22,524,277.16
  5. Step 5: Solve for x
    x = 22,524,277.16/5,127.09
  6. Step 6: Final answer
    x = 4,393.19

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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.