Home / 6,856.84-10,271.48-3,153.90

Finding the Fourth Proportional to 6,856.84, 10,271.48 and 3,153.90

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Solution

The fourth proportional to 6,856.84, 10,271.48 and 3,153.90 is: 4,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.84 : 10,271.48 = 3,153.90 : x
  2. Step 2: Convert to fraction form
    6,856.84/10,271.48 = 3,153.90/x
  3. Step 3: Cross multiply
    6,856.84x = 10,271.48 × 3,153.90
  4. Step 4: Simplify right side
    6,856.84x = 32,395,220.77
  5. Step 5: Solve for x
    x = 32,395,220.77/6,856.84
  6. Step 6: Final answer
    x = 4,724.51

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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.