Home / 5,210.48-7,189.40-3,114.16

Finding the Fourth Proportional to 5,210.48, 7,189.40 and 3,114.16

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Solution

The fourth proportional to 5,210.48, 7,189.40 and 3,114.16 is: 4,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.48 : 7,189.40 = 3,114.16 : x
  2. Step 2: Convert to fraction form
    5,210.48/7,189.40 = 3,114.16/x
  3. Step 3: Cross multiply
    5,210.48x = 7,189.40 × 3,114.16
  4. Step 4: Simplify right side
    5,210.48x = 22,388,941.90
  5. Step 5: Solve for x
    x = 22,388,941.90/5,210.48
  6. Step 6: Final answer
    x = 4,296.91

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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.