Home / 7,435.21-10,234.83-6,426.45

Finding the Fourth Proportional to 7,435.21, 10,234.83 and 6,426.45

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Solution

The fourth proportional to 7,435.21, 10,234.83 and 6,426.45 is: 8,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.21 : 10,234.83 = 6,426.45 : x
  2. Step 2: Convert to fraction form
    7,435.21/10,234.83 = 6,426.45/x
  3. Step 3: Cross multiply
    7,435.21x = 10,234.83 × 6,426.45
  4. Step 4: Simplify right side
    7,435.21x = 65,773,623.25
  5. Step 5: Solve for x
    x = 65,773,623.25/7,435.21
  6. Step 6: Final answer
    x = 8,846.24

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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.