Home / 9,075.84-13,613.28-2,836.80

Finding the Fourth Proportional to 9,075.84, 13,613.28 and 2,836.80

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Solution

The fourth proportional to 9,075.84, 13,613.28 and 2,836.80 is: 4,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.84 : 13,613.28 = 2,836.80 : x
  2. Step 2: Convert to fraction form
    9,075.84/13,613.28 = 2,836.80/x
  3. Step 3: Cross multiply
    9,075.84x = 13,613.28 × 2,836.80
  4. Step 4: Simplify right side
    9,075.84x = 38,618,152.70
  5. Step 5: Solve for x
    x = 38,618,152.70/9,075.84
  6. Step 6: Final answer
    x = 4,255.05

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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.