Home / 9,075.60-12,523.08-5,491.20

Finding the Fourth Proportional to 9,075.60, 12,523.08 and 5,491.20

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Solution

The fourth proportional to 9,075.60, 12,523.08 and 5,491.20 is: 7,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.60 : 12,523.08 = 5,491.20 : x
  2. Step 2: Convert to fraction form
    9,075.60/12,523.08 = 5,491.20/x
  3. Step 3: Cross multiply
    9,075.60x = 12,523.08 × 5,491.20
  4. Step 4: Simplify right side
    9,075.60x = 68,766,736.90
  5. Step 5: Solve for x
    x = 68,766,736.90/9,075.60
  6. Step 6: Final answer
    x = 7,577.10

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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.