Home / 8,475.83-11,697.21-4,891.43

Finding the Fourth Proportional to 8,475.83, 11,697.21 and 4,891.43

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Solution

The fourth proportional to 8,475.83, 11,697.21 and 4,891.43 is: 6,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.83 : 11,697.21 = 4,891.43 : x
  2. Step 2: Convert to fraction form
    8,475.83/11,697.21 = 4,891.43/x
  3. Step 3: Cross multiply
    8,475.83x = 11,697.21 × 4,891.43
  4. Step 4: Simplify right side
    8,475.83x = 57,216,113.15
  5. Step 5: Solve for x
    x = 57,216,113.15/8,475.83
  6. Step 6: Final answer
    x = 6,750.50

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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.