Home / 6,329.09-9,484.40-4,479.20

Finding the Fourth Proportional to 6,329.09, 9,484.40 and 4,479.20

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Solution

The fourth proportional to 6,329.09, 9,484.40 and 4,479.20 is: 6,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.09 : 9,484.40 = 4,479.20 : x
  2. Step 2: Convert to fraction form
    6,329.09/9,484.40 = 4,479.20/x
  3. Step 3: Cross multiply
    6,329.09x = 9,484.40 × 4,479.20
  4. Step 4: Simplify right side
    6,329.09x = 42,482,524.48
  5. Step 5: Solve for x
    x = 42,482,524.48/6,329.09
  6. Step 6: Final answer
    x = 6,712.26

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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.