Home / 5,666.34-7,820.08-3,428.77

Finding the Fourth Proportional to 5,666.34, 7,820.08 and 3,428.77

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Solution

The fourth proportional to 5,666.34, 7,820.08 and 3,428.77 is: 4,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.34 : 7,820.08 = 3,428.77 : x
  2. Step 2: Convert to fraction form
    5,666.34/7,820.08 = 3,428.77/x
  3. Step 3: Cross multiply
    5,666.34x = 7,820.08 × 3,428.77
  4. Step 4: Simplify right side
    5,666.34x = 26,813,255.70
  5. Step 5: Solve for x
    x = 26,813,255.70/5,666.34
  6. Step 6: Final answer
    x = 4,732.02

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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.