Home / 9,756.40-13,462.47-5,449.54

Finding the Fourth Proportional to 9,756.40, 13,462.47 and 5,449.54

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Solution

The fourth proportional to 9,756.40, 13,462.47 and 5,449.54 is: 7,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.40 : 13,462.47 = 5,449.54 : x
  2. Step 2: Convert to fraction form
    9,756.40/13,462.47 = 5,449.54/x
  3. Step 3: Cross multiply
    9,756.40x = 13,462.47 × 5,449.54
  4. Step 4: Simplify right side
    9,756.40x = 73,364,207.86
  5. Step 5: Solve for x
    x = 73,364,207.86/9,756.40
  6. Step 6: Final answer
    x = 7,519.60

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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.