Home / 5,134.27-7,085.28-2,776.42

Finding the Fourth Proportional to 5,134.27, 7,085.28 and 2,776.42

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Solution

The fourth proportional to 5,134.27, 7,085.28 and 2,776.42 is: 3,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.27 : 7,085.28 = 2,776.42 : x
  2. Step 2: Convert to fraction form
    5,134.27/7,085.28 = 2,776.42/x
  3. Step 3: Cross multiply
    5,134.27x = 7,085.28 × 2,776.42
  4. Step 4: Simplify right side
    5,134.27x = 19,671,713.10
  5. Step 5: Solve for x
    x = 19,671,713.10/5,134.27
  6. Step 6: Final answer
    x = 3,831.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.