Home / 9,266.78-12,788.21-5,075.03

Finding the Fourth Proportional to 9,266.78, 12,788.21 and 5,075.03

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Solution

The fourth proportional to 9,266.78, 12,788.21 and 5,075.03 is: 7,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.78 : 12,788.21 = 5,075.03 : x
  2. Step 2: Convert to fraction form
    9,266.78/12,788.21 = 5,075.03/x
  3. Step 3: Cross multiply
    9,266.78x = 12,788.21 × 5,075.03
  4. Step 4: Simplify right side
    9,266.78x = 64,900,549.40
  5. Step 5: Solve for x
    x = 64,900,549.40/9,266.78
  6. Step 6: Final answer
    x = 7,003.57

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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.