Home / 7,275.42-10,914.95-4,158.95

Finding the Fourth Proportional to 7,275.42, 10,914.95 and 4,158.95

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Solution

The fourth proportional to 7,275.42, 10,914.95 and 4,158.95 is: 6,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.42 : 10,914.95 = 4,158.95 : x
  2. Step 2: Convert to fraction form
    7,275.42/10,914.95 = 4,158.95/x
  3. Step 3: Cross multiply
    7,275.42x = 10,914.95 × 4,158.95
  4. Step 4: Simplify right side
    7,275.42x = 45,394,687.13
  5. Step 5: Solve for x
    x = 45,394,687.13/7,275.42
  6. Step 6: Final answer
    x = 6,239.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.