Home / 7,412.79-10,229.35-4,430.27

Finding the Fourth Proportional to 7,412.79, 10,229.35 and 4,430.27

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Solution

The fourth proportional to 7,412.79, 10,229.35 and 4,430.27 is: 6,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.79 : 10,229.35 = 4,430.27 : x
  2. Step 2: Convert to fraction form
    7,412.79/10,229.35 = 4,430.27/x
  3. Step 3: Cross multiply
    7,412.79x = 10,229.35 × 4,430.27
  4. Step 4: Simplify right side
    7,412.79x = 45,318,782.69
  5. Step 5: Solve for x
    x = 45,318,782.69/7,412.79
  6. Step 6: Final answer
    x = 6,113.59

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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.