Home / 7,405.28-10,214.52-4,418.82

Finding the Fourth Proportional to 7,405.28, 10,214.52 and 4,418.82

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Solution

The fourth proportional to 7,405.28, 10,214.52 and 4,418.82 is: 6,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.28 : 10,214.52 = 4,418.82 : x
  2. Step 2: Convert to fraction form
    7,405.28/10,214.52 = 4,418.82/x
  3. Step 3: Cross multiply
    7,405.28x = 10,214.52 × 4,418.82
  4. Step 4: Simplify right side
    7,405.28x = 45,136,125.27
  5. Step 5: Solve for x
    x = 45,136,125.27/7,405.28
  6. Step 6: Final answer
    x = 6,095.13

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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.