Home / 7,430.76-10,250.34-5,306.28

Finding the Fourth Proportional to 7,430.76, 10,250.34 and 5,306.28

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Solution

The fourth proportional to 7,430.76, 10,250.34 and 5,306.28 is: 7,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.76 : 10,250.34 = 5,306.28 : x
  2. Step 2: Convert to fraction form
    7,430.76/10,250.34 = 5,306.28/x
  3. Step 3: Cross multiply
    7,430.76x = 10,250.34 × 5,306.28
  4. Step 4: Simplify right side
    7,430.76x = 54,391,174.14
  5. Step 5: Solve for x
    x = 54,391,174.14/7,430.76
  6. Step 6: Final answer
    x = 7,319.73

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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.