Home / 7,014.28-9,680.22-4,030.84

Finding the Fourth Proportional to 7,014.28, 9,680.22 and 4,030.84

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Solution

The fourth proportional to 7,014.28, 9,680.22 and 4,030.84 is: 5,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.28 : 9,680.22 = 4,030.84 : x
  2. Step 2: Convert to fraction form
    7,014.28/9,680.22 = 4,030.84/x
  3. Step 3: Cross multiply
    7,014.28x = 9,680.22 × 4,030.84
  4. Step 4: Simplify right side
    7,014.28x = 39,019,417.98
  5. Step 5: Solve for x
    x = 39,019,417.98/7,014.28
  6. Step 6: Final answer
    x = 5,562.85

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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.