Home / 4,320.32-6,480.28-1,242.32

Finding the Fourth Proportional to 4,320.32, 6,480.28 and 1,242.32

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Solution

The fourth proportional to 4,320.32, 6,480.28 and 1,242.32 is: 1,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.32 : 6,480.28 = 1,242.32 : x
  2. Step 2: Convert to fraction form
    4,320.32/6,480.28 = 1,242.32/x
  3. Step 3: Cross multiply
    4,320.32x = 6,480.28 × 1,242.32
  4. Step 4: Simplify right side
    4,320.32x = 8,050,581.45
  5. Step 5: Solve for x
    x = 8,050,581.45/4,320.32
  6. Step 6: Final answer
    x = 1,863.42

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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.