Home / 5,342.13-8,013.87-1,831.19

Finding the Fourth Proportional to 5,342.13, 8,013.87 and 1,831.19

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Solution

The fourth proportional to 5,342.13, 8,013.87 and 1,831.19 is: 2,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.13 : 8,013.87 = 1,831.19 : x
  2. Step 2: Convert to fraction form
    5,342.13/8,013.87 = 1,831.19/x
  3. Step 3: Cross multiply
    5,342.13x = 8,013.87 × 1,831.19
  4. Step 4: Simplify right side
    5,342.13x = 14,674,878.54
  5. Step 5: Solve for x
    x = 14,674,878.54/5,342.13
  6. Step 6: Final answer
    x = 2,747.01

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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.