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Finding the Fourth Proportional to 7,035.44, 10,605.86 and 6,559.79

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Solution

The fourth proportional to 7,035.44, 10,605.86 and 6,559.79 is: 9,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.44 : 10,605.86 = 6,559.79 : x
  2. Step 2: Convert to fraction form
    7,035.44/10,605.86 = 6,559.79/x
  3. Step 3: Cross multiply
    7,035.44x = 10,605.86 × 6,559.79
  4. Step 4: Simplify right side
    7,035.44x = 69,572,153.14
  5. Step 5: Solve for x
    x = 69,572,153.14/7,035.44
  6. Step 6: Final answer
    x = 9,888.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.