Home / 9,040.50-12,477.14-5,455.64

Finding the Fourth Proportional to 9,040.50, 12,477.14 and 5,455.64

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Solution

The fourth proportional to 9,040.50, 12,477.14 and 5,455.64 is: 7,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.50 : 12,477.14 = 5,455.64 : x
  2. Step 2: Convert to fraction form
    9,040.50/12,477.14 = 5,455.64/x
  3. Step 3: Cross multiply
    9,040.50x = 12,477.14 × 5,455.64
  4. Step 4: Simplify right side
    9,040.50x = 68,070,756.79
  5. Step 5: Solve for x
    x = 68,070,756.79/9,040.50
  6. Step 6: Final answer
    x = 7,529.53

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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.