Home / 4,320.67-6,480.03-1,688.24

Finding the Fourth Proportional to 4,320.67, 6,480.03 and 1,688.24

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Solution

The fourth proportional to 4,320.67, 6,480.03 and 1,688.24 is: 2,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.67 : 6,480.03 = 1,688.24 : x
  2. Step 2: Convert to fraction form
    4,320.67/6,480.03 = 1,688.24/x
  3. Step 3: Cross multiply
    4,320.67x = 6,480.03 × 1,688.24
  4. Step 4: Simplify right side
    4,320.67x = 10,939,845.85
  5. Step 5: Solve for x
    x = 10,939,845.85/4,320.67
  6. Step 6: Final answer
    x = 2,531.98

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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.