Home / 4,416.48-6,624.71-1,129.57

Finding the Fourth Proportional to 4,416.48, 6,624.71 and 1,129.57

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Solution

The fourth proportional to 4,416.48, 6,624.71 and 1,129.57 is: 1,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.48 : 6,624.71 = 1,129.57 : x
  2. Step 2: Convert to fraction form
    4,416.48/6,624.71 = 1,129.57/x
  3. Step 3: Cross multiply
    4,416.48x = 6,624.71 × 1,129.57
  4. Step 4: Simplify right side
    4,416.48x = 7,483,051.47
  5. Step 5: Solve for x
    x = 7,483,051.47/4,416.48
  6. Step 6: Final answer
    x = 1,694.35

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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.