Home / 9,880.24-13,632.60-5,688.88

Finding the Fourth Proportional to 9,880.24, 13,632.60 and 5,688.88

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Solution

The fourth proportional to 9,880.24, 13,632.60 and 5,688.88 is: 7,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.24 : 13,632.60 = 5,688.88 : x
  2. Step 2: Convert to fraction form
    9,880.24/13,632.60 = 5,688.88/x
  3. Step 3: Cross multiply
    9,880.24x = 13,632.60 × 5,688.88
  4. Step 4: Simplify right side
    9,880.24x = 77,554,225.49
  5. Step 5: Solve for x
    x = 77,554,225.49/9,880.24
  6. Step 6: Final answer
    x = 7,849.43

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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.