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Finding the Fourth Proportional to 7,066.53, 9,739.99 and 5,364.51

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Solution

The fourth proportional to 7,066.53, 9,739.99 and 5,364.51 is: 7,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.53 : 9,739.99 = 5,364.51 : x
  2. Step 2: Convert to fraction form
    7,066.53/9,739.99 = 5,364.51/x
  3. Step 3: Cross multiply
    7,066.53x = 9,739.99 × 5,364.51
  4. Step 4: Simplify right side
    7,066.53x = 52,250,273.75
  5. Step 5: Solve for x
    x = 52,250,273.75/7,066.53
  6. Step 6: Final answer
    x = 7,394.05

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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.