Home / 7,551.20-10,421.22-4,680.49

Finding the Fourth Proportional to 7,551.20, 10,421.22 and 4,680.49

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Solution

The fourth proportional to 7,551.20, 10,421.22 and 4,680.49 is: 6,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.20 : 10,421.22 = 4,680.49 : x
  2. Step 2: Convert to fraction form
    7,551.20/10,421.22 = 4,680.49/x
  3. Step 3: Cross multiply
    7,551.20x = 10,421.22 × 4,680.49
  4. Step 4: Simplify right side
    7,551.20x = 48,776,426.73
  5. Step 5: Solve for x
    x = 48,776,426.73/7,551.20
  6. Step 6: Final answer
    x = 6,459.43

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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.