Home / 5,831.02-8,046.75-3,178.50

Finding the Fourth Proportional to 5,831.02, 8,046.75 and 3,178.50

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Solution

The fourth proportional to 5,831.02, 8,046.75 and 3,178.50 is: 4,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.02 : 8,046.75 = 3,178.50 : x
  2. Step 2: Convert to fraction form
    5,831.02/8,046.75 = 3,178.50/x
  3. Step 3: Cross multiply
    5,831.02x = 8,046.75 × 3,178.50
  4. Step 4: Simplify right side
    5,831.02x = 25,576,594.88
  5. Step 5: Solve for x
    x = 25,576,594.88/5,831.02
  6. Step 6: Final answer
    x = 4,386.30

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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.