Home / 4,075.12-5,623.86-2,307.28

Finding the Fourth Proportional to 4,075.12, 5,623.86 and 2,307.28

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Solution

The fourth proportional to 4,075.12, 5,623.86 and 2,307.28 is: 3,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.12 : 5,623.86 = 2,307.28 : x
  2. Step 2: Convert to fraction form
    4,075.12/5,623.86 = 2,307.28/x
  3. Step 3: Cross multiply
    4,075.12x = 5,623.86 × 2,307.28
  4. Step 4: Simplify right side
    4,075.12x = 12,975,819.70
  5. Step 5: Solve for x
    x = 12,975,819.70/4,075.12
  6. Step 6: Final answer
    x = 3,184.16

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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.