Home / 4,320.99-6,482.51-1,399.29

Finding the Fourth Proportional to 4,320.99, 6,482.51 and 1,399.29

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Solution

The fourth proportional to 4,320.99, 6,482.51 and 1,399.29 is: 2,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.99 : 6,482.51 = 1,399.29 : x
  2. Step 2: Convert to fraction form
    4,320.99/6,482.51 = 1,399.29/x
  3. Step 3: Cross multiply
    4,320.99x = 6,482.51 × 1,399.29
  4. Step 4: Simplify right side
    4,320.99x = 9,070,911.42
  5. Step 5: Solve for x
    x = 9,070,911.42/4,320.99
  6. Step 6: Final answer
    x = 2,099.27

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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.