Home / 5,831.46-8,047.35-3,178.95

Finding the Fourth Proportional to 5,831.46, 8,047.35 and 3,178.95

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Solution

The fourth proportional to 5,831.46, 8,047.35 and 3,178.95 is: 4,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.46 : 8,047.35 = 3,178.95 : x
  2. Step 2: Convert to fraction form
    5,831.46/8,047.35 = 3,178.95/x
  3. Step 3: Cross multiply
    5,831.46x = 8,047.35 × 3,178.95
  4. Step 4: Simplify right side
    5,831.46x = 25,582,123.28
  5. Step 5: Solve for x
    x = 25,582,123.28/5,831.46
  6. Step 6: Final answer
    x = 4,386.92

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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.