Home / 5,210.95-7,191.05-2,853.06

Finding the Fourth Proportional to 5,210.95, 7,191.05 and 2,853.06

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Solution

The fourth proportional to 5,210.95, 7,191.05 and 2,853.06 is: 3,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.95 : 7,191.05 = 2,853.06 : x
  2. Step 2: Convert to fraction form
    5,210.95/7,191.05 = 2,853.06/x
  3. Step 3: Cross multiply
    5,210.95x = 7,191.05 × 2,853.06
  4. Step 4: Simplify right side
    5,210.95x = 20,516,497.11
  5. Step 5: Solve for x
    x = 20,516,497.11/5,210.95
  6. Step 6: Final answer
    x = 3,937.19

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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.