Home / 5,210.40-7,191.84-2,973.48

Finding the Fourth Proportional to 5,210.40, 7,191.84 and 2,973.48

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Solution

The fourth proportional to 5,210.40, 7,191.84 and 2,973.48 is: 4,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.40 : 7,191.84 = 2,973.48 : x
  2. Step 2: Convert to fraction form
    5,210.40/7,191.84 = 2,973.48/x
  3. Step 3: Cross multiply
    5,210.40x = 7,191.84 × 2,973.48
  4. Step 4: Simplify right side
    5,210.40x = 21,384,792.40
  5. Step 5: Solve for x
    x = 21,384,792.40/5,210.40
  6. Step 6: Final answer
    x = 4,104.25

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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.