Home / 8,065.10-11,129.07-4,527.50

Finding the Fourth Proportional to 8,065.10, 11,129.07 and 4,527.50

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Solution

The fourth proportional to 8,065.10, 11,129.07 and 4,527.50 is: 6,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.10 : 11,129.07 = 4,527.50 : x
  2. Step 2: Convert to fraction form
    8,065.10/11,129.07 = 4,527.50/x
  3. Step 3: Cross multiply
    8,065.10x = 11,129.07 × 4,527.50
  4. Step 4: Simplify right side
    8,065.10x = 50,386,864.43
  5. Step 5: Solve for x
    x = 50,386,864.43/8,065.10
  6. Step 6: Final answer
    x = 6,247.52

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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.