Home / 4,430.16-6,117.57-3,309.19

Finding the Fourth Proportional to 4,430.16, 6,117.57 and 3,309.19

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Solution

The fourth proportional to 4,430.16, 6,117.57 and 3,309.19 is: 4,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.16 : 6,117.57 = 3,309.19 : x
  2. Step 2: Convert to fraction form
    4,430.16/6,117.57 = 3,309.19/x
  3. Step 3: Cross multiply
    4,430.16x = 6,117.57 × 3,309.19
  4. Step 4: Simplify right side
    4,430.16x = 20,244,186.17
  5. Step 5: Solve for x
    x = 20,244,186.17/4,430.16
  6. Step 6: Final answer
    x = 4,569.63

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Half scale
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Double scale
Find fourth proportional to 4,431.16, 6,118.95 and 3,310.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.