Home / 7,328.36-10,114.98-4,186.40

Finding the Fourth Proportional to 7,328.36, 10,114.98 and 4,186.40

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Solution

The fourth proportional to 7,328.36, 10,114.98 and 4,186.40 is: 5,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.36 : 10,114.98 = 4,186.40 : x
  2. Step 2: Convert to fraction form
    7,328.36/10,114.98 = 4,186.40/x
  3. Step 3: Cross multiply
    7,328.36x = 10,114.98 × 4,186.40
  4. Step 4: Simplify right side
    7,328.36x = 42,345,352.27
  5. Step 5: Solve for x
    x = 42,345,352.27/7,328.36
  6. Step 6: Final answer
    x = 5,778.28

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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.