Home / 7,880.09-10,874.45-4,523.45

Finding the Fourth Proportional to 7,880.09, 10,874.45 and 4,523.45

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Solution

The fourth proportional to 7,880.09, 10,874.45 and 4,523.45 is: 6,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.09 : 10,874.45 = 4,523.45 : x
  2. Step 2: Convert to fraction form
    7,880.09/10,874.45 = 4,523.45/x
  3. Step 3: Cross multiply
    7,880.09x = 10,874.45 × 4,523.45
  4. Step 4: Simplify right side
    7,880.09x = 49,189,987.79
  5. Step 5: Solve for x
    x = 49,189,987.79/7,880.09
  6. Step 6: Final answer
    x = 6,242.32

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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.