Home / 4,416.39-6,624.72-1,129.50

Finding the Fourth Proportional to 4,416.39, 6,624.72 and 1,129.50

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Solution

The fourth proportional to 4,416.39, 6,624.72 and 1,129.50 is: 1,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.39 : 6,624.72 = 1,129.50 : x
  2. Step 2: Convert to fraction form
    4,416.39/6,624.72 = 1,129.50/x
  3. Step 3: Cross multiply
    4,416.39x = 6,624.72 × 1,129.50
  4. Step 4: Simplify right side
    4,416.39x = 7,482,621.24
  5. Step 5: Solve for x
    x = 7,482,621.24/4,416.39
  6. Step 6: Final answer
    x = 1,694.28

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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.