Home / 7,455.79-10,289.53-4,471.57

Finding the Fourth Proportional to 7,455.79, 10,289.53 and 4,471.57

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Solution

The fourth proportional to 7,455.79, 10,289.53 and 4,471.57 is: 6,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.79 : 10,289.53 = 4,471.57 : x
  2. Step 2: Convert to fraction form
    7,455.79/10,289.53 = 4,471.57/x
  3. Step 3: Cross multiply
    7,455.79x = 10,289.53 × 4,471.57
  4. Step 4: Simplify right side
    7,455.79x = 46,010,353.66
  5. Step 5: Solve for x
    x = 46,010,353.66/7,455.79
  6. Step 6: Final answer
    x = 6,171.09

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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.