Home / 8,560.48-12,840.16-2,717.44

Finding the Fourth Proportional to 8,560.48, 12,840.16 and 2,717.44

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Solution

The fourth proportional to 8,560.48, 12,840.16 and 2,717.44 is: 4,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.48 : 12,840.16 = 2,717.44 : x
  2. Step 2: Convert to fraction form
    8,560.48/12,840.16 = 2,717.44/x
  3. Step 3: Cross multiply
    8,560.48x = 12,840.16 × 2,717.44
  4. Step 4: Simplify right side
    8,560.48x = 34,892,364.39
  5. Step 5: Solve for x
    x = 34,892,364.39/8,560.48
  6. Step 6: Final answer
    x = 4,075.98

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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.