Home / 6,480.10-9,720.15-4,017.70

Finding the Fourth Proportional to 6,480.10, 9,720.15 and 4,017.70

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Solution

The fourth proportional to 6,480.10, 9,720.15 and 4,017.70 is: 6,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.10 : 9,720.15 = 4,017.70 : x
  2. Step 2: Convert to fraction form
    6,480.10/9,720.15 = 4,017.70/x
  3. Step 3: Cross multiply
    6,480.10x = 9,720.15 × 4,017.70
  4. Step 4: Simplify right side
    6,480.10x = 39,052,646.66
  5. Step 5: Solve for x
    x = 39,052,646.66/6,480.10
  6. Step 6: Final answer
    x = 6,026.55

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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.