Home / 4,677.35-6,455.12-2,688.54

Finding the Fourth Proportional to 4,677.35, 6,455.12 and 2,688.54

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Solution

The fourth proportional to 4,677.35, 6,455.12 and 2,688.54 is: 3,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.35 : 6,455.12 = 2,688.54 : x
  2. Step 2: Convert to fraction form
    4,677.35/6,455.12 = 2,688.54/x
  3. Step 3: Cross multiply
    4,677.35x = 6,455.12 × 2,688.54
  4. Step 4: Simplify right side
    4,677.35x = 17,354,854.55
  5. Step 5: Solve for x
    x = 17,354,854.55/4,677.35
  6. Step 6: Final answer
    x = 3,710.41

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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.