Home / 7,455.21-10,281.90-5,326.80

Finding the Fourth Proportional to 7,455.21, 10,281.90 and 5,326.80

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Solution

The fourth proportional to 7,455.21, 10,281.90 and 5,326.80 is: 7,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.21 : 10,281.90 = 5,326.80 : x
  2. Step 2: Convert to fraction form
    7,455.21/10,281.90 = 5,326.80/x
  3. Step 3: Cross multiply
    7,455.21x = 10,281.90 × 5,326.80
  4. Step 4: Simplify right side
    7,455.21x = 54,769,624.92
  5. Step 5: Solve for x
    x = 54,769,624.92/7,455.21
  6. Step 6: Final answer
    x = 7,346.49

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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.