Home / 4,650.12-6,417.36-2,660.40

Finding the Fourth Proportional to 4,650.12, 6,417.36 and 2,660.40

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Solution

The fourth proportional to 4,650.12, 6,417.36 and 2,660.40 is: 3,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.12 : 6,417.36 = 2,660.40 : x
  2. Step 2: Convert to fraction form
    4,650.12/6,417.36 = 2,660.40/x
  3. Step 3: Cross multiply
    4,650.12x = 6,417.36 × 2,660.40
  4. Step 4: Simplify right side
    4,650.12x = 17,072,744.54
  5. Step 5: Solve for x
    x = 17,072,744.54/4,650.12
  6. Step 6: Final answer
    x = 3,671.46

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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.