Home / 6,719.68-10,075.33-3,209.55

Finding the Fourth Proportional to 6,719.68, 10,075.33 and 3,209.55

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Solution

The fourth proportional to 6,719.68, 10,075.33 and 3,209.55 is: 4,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.68 : 10,075.33 = 3,209.55 : x
  2. Step 2: Convert to fraction form
    6,719.68/10,075.33 = 3,209.55/x
  3. Step 3: Cross multiply
    6,719.68x = 10,075.33 × 3,209.55
  4. Step 4: Simplify right side
    6,719.68x = 32,337,275.40
  5. Step 5: Solve for x
    x = 32,337,275.40/6,719.68
  6. Step 6: Final answer
    x = 4,812.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.