Home / 5,191.49-7,164.00-2,953.15

Finding the Fourth Proportional to 5,191.49, 7,164.00 and 2,953.15

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Solution

The fourth proportional to 5,191.49, 7,164.00 and 2,953.15 is: 4,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.49 : 7,164.00 = 2,953.15 : x
  2. Step 2: Convert to fraction form
    5,191.49/7,164.00 = 2,953.15/x
  3. Step 3: Cross multiply
    5,191.49x = 7,164.00 × 2,953.15
  4. Step 4: Simplify right side
    5,191.49x = 21,156,397.29
  5. Step 5: Solve for x
    x = 21,156,397.29/5,191.49
  6. Step 6: Final answer
    x = 4,075.21

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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.