Home / 7,265.18-10,025.81-4,078.55

Finding the Fourth Proportional to 7,265.18, 10,025.81 and 4,078.55

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Solution

The fourth proportional to 7,265.18, 10,025.81 and 4,078.55 is: 5,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.18 : 10,025.81 = 4,078.55 : x
  2. Step 2: Convert to fraction form
    7,265.18/10,025.81 = 4,078.55/x
  3. Step 3: Cross multiply
    7,265.18x = 10,025.81 × 4,078.55
  4. Step 4: Simplify right side
    7,265.18x = 40,890,746.98
  5. Step 5: Solve for x
    x = 40,890,746.98/7,265.18
  6. Step 6: Final answer
    x = 5,628.32

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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.