Home / 7,880.15-10,874.57-4,295.31

Finding the Fourth Proportional to 7,880.15, 10,874.57 and 4,295.31

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Solution

The fourth proportional to 7,880.15, 10,874.57 and 4,295.31 is: 5,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.15 : 10,874.57 = 4,295.31 : x
  2. Step 2: Convert to fraction form
    7,880.15/10,874.57 = 4,295.31/x
  3. Step 3: Cross multiply
    7,880.15x = 10,874.57 × 4,295.31
  4. Step 4: Simplify right side
    7,880.15x = 46,709,627.79
  5. Step 5: Solve for x
    x = 46,709,627.79/7,880.15
  6. Step 6: Final answer
    x = 5,927.51

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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.