Home / 5,210.93-7,191.03-2,853.07

Finding the Fourth Proportional to 5,210.93, 7,191.03 and 2,853.07

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Solution

The fourth proportional to 5,210.93, 7,191.03 and 2,853.07 is: 3,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.93 : 7,191.03 = 2,853.07 : x
  2. Step 2: Convert to fraction form
    5,210.93/7,191.03 = 2,853.07/x
  3. Step 3: Cross multiply
    5,210.93x = 7,191.03 × 2,853.07
  4. Step 4: Simplify right side
    5,210.93x = 20,516,529.08
  5. Step 5: Solve for x
    x = 20,516,529.08/5,210.93
  6. Step 6: Final answer
    x = 3,937.21

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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.