Home / 7,119.19-10,657.75-5,257.94

Finding the Fourth Proportional to 7,119.19, 10,657.75 and 5,257.94

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Solution

The fourth proportional to 7,119.19, 10,657.75 and 5,257.94 is: 7,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.19 : 10,657.75 = 5,257.94 : x
  2. Step 2: Convert to fraction form
    7,119.19/10,657.75 = 5,257.94/x
  3. Step 3: Cross multiply
    7,119.19x = 10,657.75 × 5,257.94
  4. Step 4: Simplify right side
    7,119.19x = 56,037,810.04
  5. Step 5: Solve for x
    x = 56,037,810.04/7,119.19
  6. Step 6: Final answer
    x = 7,871.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.