Home / 8,434.40-12,656.12-3,507.44

Finding the Fourth Proportional to 8,434.40, 12,656.12 and 3,507.44

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Solution

The fourth proportional to 8,434.40, 12,656.12 and 3,507.44 is: 5,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.40 : 12,656.12 = 3,507.44 : x
  2. Step 2: Convert to fraction form
    8,434.40/12,656.12 = 3,507.44/x
  3. Step 3: Cross multiply
    8,434.40x = 12,656.12 × 3,507.44
  4. Step 4: Simplify right side
    8,434.40x = 44,390,500.72
  5. Step 5: Solve for x
    x = 44,390,500.72/8,434.40
  6. Step 6: Final answer
    x = 5,263.03

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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.