Home / 5,256.60-7,871.23-5,100.77

Finding the Fourth Proportional to 5,256.60, 7,871.23 and 5,100.77

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Solution

The fourth proportional to 5,256.60, 7,871.23 and 5,100.77 is: 7,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.60 : 7,871.23 = 5,100.77 : x
  2. Step 2: Convert to fraction form
    5,256.60/7,871.23 = 5,100.77/x
  3. Step 3: Cross multiply
    5,256.60x = 7,871.23 × 5,100.77
  4. Step 4: Simplify right side
    5,256.60x = 40,149,331.21
  5. Step 5: Solve for x
    x = 40,149,331.21/5,256.60
  6. Step 6: Final answer
    x = 7,637.90

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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.