Home / 8,030.07-11,081.21-5,675.40

Finding the Fourth Proportional to 8,030.07, 11,081.21 and 5,675.40

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Solution

The fourth proportional to 8,030.07, 11,081.21 and 5,675.40 is: 7,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.07 : 11,081.21 = 5,675.40 : x
  2. Step 2: Convert to fraction form
    8,030.07/11,081.21 = 5,675.40/x
  3. Step 3: Cross multiply
    8,030.07x = 11,081.21 × 5,675.40
  4. Step 4: Simplify right side
    8,030.07x = 62,890,270.86
  5. Step 5: Solve for x
    x = 62,890,270.86/8,030.07
  6. Step 6: Final answer
    x = 7,831.85

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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.