Home / 7,641.51-10,539.36-5,122.82

Finding the Fourth Proportional to 7,641.51, 10,539.36 and 5,122.82

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Solution

The fourth proportional to 7,641.51, 10,539.36 and 5,122.82 is: 7,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.51 : 10,539.36 = 5,122.82 : x
  2. Step 2: Convert to fraction form
    7,641.51/10,539.36 = 5,122.82/x
  3. Step 3: Cross multiply
    7,641.51x = 10,539.36 × 5,122.82
  4. Step 4: Simplify right side
    7,641.51x = 53,991,191.50
  5. Step 5: Solve for x
    x = 53,991,191.50/7,641.51
  6. Step 6: Final answer
    x = 7,065.51

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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.