Home / 8,560.19-12,840.65-2,716.67

Finding the Fourth Proportional to 8,560.19, 12,840.65 and 2,716.67

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Solution

The fourth proportional to 8,560.19, 12,840.65 and 2,716.67 is: 4,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.19 : 12,840.65 = 2,716.67 : x
  2. Step 2: Convert to fraction form
    8,560.19/12,840.65 = 2,716.67/x
  3. Step 3: Cross multiply
    8,560.19x = 12,840.65 × 2,716.67
  4. Step 4: Simplify right side
    8,560.19x = 34,883,808.64
  5. Step 5: Solve for x
    x = 34,883,808.64/8,560.19
  6. Step 6: Final answer
    x = 4,075.12

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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.