Home / 9,739.03-13,439.89-5,262.81

Finding the Fourth Proportional to 9,739.03, 13,439.89 and 5,262.81

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Solution

The fourth proportional to 9,739.03, 13,439.89 and 5,262.81 is: 7,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.03 : 13,439.89 = 5,262.81 : x
  2. Step 2: Convert to fraction form
    9,739.03/13,439.89 = 5,262.81/x
  3. Step 3: Cross multiply
    9,739.03x = 13,439.89 × 5,262.81
  4. Step 4: Simplify right side
    9,739.03x = 70,731,587.49
  5. Step 5: Solve for x
    x = 70,731,587.49/9,739.03
  6. Step 6: Final answer
    x = 7,262.70

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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.