Home / 5,688.90-8,529.30-2,177.55

Finding the Fourth Proportional to 5,688.90, 8,529.30 and 2,177.55

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Solution

The fourth proportional to 5,688.90, 8,529.30 and 2,177.55 is: 3,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.90 : 8,529.30 = 2,177.55 : x
  2. Step 2: Convert to fraction form
    5,688.90/8,529.30 = 2,177.55/x
  3. Step 3: Cross multiply
    5,688.90x = 8,529.30 × 2,177.55
  4. Step 4: Simplify right side
    5,688.90x = 18,572,977.22
  5. Step 5: Solve for x
    x = 18,572,977.22/5,688.90
  6. Step 6: Final answer
    x = 3,264.77

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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.