Home / 4,320.42-6,480.54-1,242.42

Finding the Fourth Proportional to 4,320.42, 6,480.54 and 1,242.42

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Solution

The fourth proportional to 4,320.42, 6,480.54 and 1,242.42 is: 1,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.42 : 6,480.54 = 1,242.42 : x
  2. Step 2: Convert to fraction form
    4,320.42/6,480.54 = 1,242.42/x
  3. Step 3: Cross multiply
    4,320.42x = 6,480.54 × 1,242.42
  4. Step 4: Simplify right side
    4,320.42x = 8,051,552.51
  5. Step 5: Solve for x
    x = 8,051,552.51/4,320.42
  6. Step 6: Final answer
    x = 1,863.60

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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.