Home / 9,420.34-13,001.22-5,441.45

Finding the Fourth Proportional to 9,420.34, 13,001.22 and 5,441.45

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Solution

The fourth proportional to 9,420.34, 13,001.22 and 5,441.45 is: 7,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.34 : 13,001.22 = 5,441.45 : x
  2. Step 2: Convert to fraction form
    9,420.34/13,001.22 = 5,441.45/x
  3. Step 3: Cross multiply
    9,420.34x = 13,001.22 × 5,441.45
  4. Step 4: Simplify right side
    9,420.34x = 70,745,488.57
  5. Step 5: Solve for x
    x = 70,745,488.57/9,420.34
  6. Step 6: Final answer
    x = 7,509.87

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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.