Home / 8,339.40-11,507.58-4,981.56

Finding the Fourth Proportional to 8,339.40, 11,507.58 and 4,981.56

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Solution

The fourth proportional to 8,339.40, 11,507.58 and 4,981.56 is: 6,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.40 : 11,507.58 = 4,981.56 : x
  2. Step 2: Convert to fraction form
    8,339.40/11,507.58 = 4,981.56/x
  3. Step 3: Cross multiply
    8,339.40x = 11,507.58 × 4,981.56
  4. Step 4: Simplify right side
    8,339.40x = 57,325,700.22
  5. Step 5: Solve for x
    x = 57,325,700.22/8,339.40
  6. Step 6: Final answer
    x = 6,874.08

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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.