Home / 7,877.25-10,871.21-5,525.01

Finding the Fourth Proportional to 7,877.25, 10,871.21 and 5,525.01

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Solution

The fourth proportional to 7,877.25, 10,871.21 and 5,525.01 is: 7,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.25 : 10,871.21 = 5,525.01 : x
  2. Step 2: Convert to fraction form
    7,877.25/10,871.21 = 5,525.01/x
  3. Step 3: Cross multiply
    7,877.25x = 10,871.21 × 5,525.01
  4. Step 4: Simplify right side
    7,877.25x = 60,063,557.77
  5. Step 5: Solve for x
    x = 60,063,557.77/7,877.25
  6. Step 6: Final answer
    x = 7,624.94

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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.