Home / 5,210.34-7,190.16-2,852.40

Finding the Fourth Proportional to 5,210.34, 7,190.16 and 2,852.40

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Solution

The fourth proportional to 5,210.34, 7,190.16 and 2,852.40 is: 3,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.34 : 7,190.16 = 2,852.40 : x
  2. Step 2: Convert to fraction form
    5,210.34/7,190.16 = 2,852.40/x
  3. Step 3: Cross multiply
    5,210.34x = 7,190.16 × 2,852.40
  4. Step 4: Simplify right side
    5,210.34x = 20,509,212.38
  5. Step 5: Solve for x
    x = 20,509,212.38/5,210.34
  6. Step 6: Final answer
    x = 3,936.25

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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.