Home / 7,421.56-10,242.24-4,277.95

Finding the Fourth Proportional to 7,421.56, 10,242.24 and 4,277.95

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Solution

The fourth proportional to 7,421.56, 10,242.24 and 4,277.95 is: 5,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.56 : 10,242.24 = 4,277.95 : x
  2. Step 2: Convert to fraction form
    7,421.56/10,242.24 = 4,277.95/x
  3. Step 3: Cross multiply
    7,421.56x = 10,242.24 × 4,277.95
  4. Step 4: Simplify right side
    7,421.56x = 43,815,790.61
  5. Step 5: Solve for x
    x = 43,815,790.61/7,421.56
  6. Step 6: Final answer
    x = 5,903.85

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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.