Home / 7,455.72-10,289.70-4,662.12

Finding the Fourth Proportional to 7,455.72, 10,289.70 and 4,662.12

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Solution

The fourth proportional to 7,455.72, 10,289.70 and 4,662.12 is: 6,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.72 : 10,289.70 = 4,662.12 : x
  2. Step 2: Convert to fraction form
    7,455.72/10,289.70 = 4,662.12/x
  3. Step 3: Cross multiply
    7,455.72x = 10,289.70 × 4,662.12
  4. Step 4: Simplify right side
    7,455.72x = 47,971,816.16
  5. Step 5: Solve for x
    x = 47,971,816.16/7,455.72
  6. Step 6: Final answer
    x = 6,434.23

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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.