Home / 9,756.39-13,463.90-5,564.79

Finding the Fourth Proportional to 9,756.39, 13,463.90 and 5,564.79

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Solution

The fourth proportional to 9,756.39, 13,463.90 and 5,564.79 is: 7,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.39 : 13,463.90 = 5,564.79 : x
  2. Step 2: Convert to fraction form
    9,756.39/13,463.90 = 5,564.79/x
  3. Step 3: Cross multiply
    9,756.39x = 13,463.90 × 5,564.79
  4. Step 4: Simplify right side
    9,756.39x = 74,923,748.26
  5. Step 5: Solve for x
    x = 74,923,748.26/9,756.39
  6. Step 6: Final answer
    x = 7,679.45

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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.