Home / 7,880.09-10,875.06-4,523.85

Finding the Fourth Proportional to 7,880.09, 10,875.06 and 4,523.85

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Solution

The fourth proportional to 7,880.09, 10,875.06 and 4,523.85 is: 6,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.09 : 10,875.06 = 4,523.85 : x
  2. Step 2: Convert to fraction form
    7,880.09/10,875.06 = 4,523.85/x
  3. Step 3: Cross multiply
    7,880.09x = 10,875.06 × 4,523.85
  4. Step 4: Simplify right side
    7,880.09x = 49,197,140.18
  5. Step 5: Solve for x
    x = 49,197,140.18/7,880.09
  6. Step 6: Final answer
    x = 6,243.22

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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.