Home / 6,480.10-9,722.55-2,587.30

Finding the Fourth Proportional to 6,480.10, 9,722.55 and 2,587.30

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Solution

The fourth proportional to 6,480.10, 9,722.55 and 2,587.30 is: 3,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.10 : 9,722.55 = 2,587.30 : x
  2. Step 2: Convert to fraction form
    6,480.10/9,722.55 = 2,587.30/x
  3. Step 3: Cross multiply
    6,480.10x = 9,722.55 × 2,587.30
  4. Step 4: Simplify right side
    6,480.10x = 25,155,153.62
  5. Step 5: Solve for x
    x = 25,155,153.62/6,480.10
  6. Step 6: Final answer
    x = 3,881.91

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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.