Home / 8,560.26-12,840.35-2,717.32

Finding the Fourth Proportional to 8,560.26, 12,840.35 and 2,717.32

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Solution

The fourth proportional to 8,560.26, 12,840.35 and 2,717.32 is: 4,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.26 : 12,840.35 = 2,717.32 : x
  2. Step 2: Convert to fraction form
    8,560.26/12,840.35 = 2,717.32/x
  3. Step 3: Cross multiply
    8,560.26x = 12,840.35 × 2,717.32
  4. Step 4: Simplify right side
    8,560.26x = 34,891,339.86
  5. Step 5: Solve for x
    x = 34,891,339.86/8,560.26
  6. Step 6: Final answer
    x = 4,075.97

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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.