Home / 6,880.24-9,490.45-5,727.49

Finding the Fourth Proportional to 6,880.24, 9,490.45 and 5,727.49

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Solution

The fourth proportional to 6,880.24, 9,490.45 and 5,727.49 is: 7,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.24 : 9,490.45 = 5,727.49 : x
  2. Step 2: Convert to fraction form
    6,880.24/9,490.45 = 5,727.49/x
  3. Step 3: Cross multiply
    6,880.24x = 9,490.45 × 5,727.49
  4. Step 4: Simplify right side
    6,880.24x = 54,356,483.55
  5. Step 5: Solve for x
    x = 54,356,483.55/6,880.24
  6. Step 6: Final answer
    x = 7,900.37

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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.