Home / 8,347.24-12,528.96-4,454.38

Finding the Fourth Proportional to 8,347.24, 12,528.96 and 4,454.38

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Solution

The fourth proportional to 8,347.24, 12,528.96 and 4,454.38 is: 6,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.24 : 12,528.96 = 4,454.38 : x
  2. Step 2: Convert to fraction form
    8,347.24/12,528.96 = 4,454.38/x
  3. Step 3: Cross multiply
    8,347.24x = 12,528.96 × 4,454.38
  4. Step 4: Simplify right side
    8,347.24x = 55,808,748.84
  5. Step 5: Solve for x
    x = 55,808,748.84/8,347.24
  6. Step 6: Final answer
    x = 6,685.89

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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.