Home / 5,105.04-7,040.64-4,312.26

Finding the Fourth Proportional to 5,105.04, 7,040.64 and 4,312.26

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Solution

The fourth proportional to 5,105.04, 7,040.64 and 4,312.26 is: 5,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.04 : 7,040.64 = 4,312.26 : x
  2. Step 2: Convert to fraction form
    5,105.04/7,040.64 = 4,312.26/x
  3. Step 3: Cross multiply
    5,105.04x = 7,040.64 × 4,312.26
  4. Step 4: Simplify right side
    5,105.04x = 30,361,070.25
  5. Step 5: Solve for x
    x = 30,361,070.25/5,105.04
  6. Step 6: Final answer
    x = 5,947.27

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Half scale
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Double scale
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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.