Home / 4,977.40-6,871.36-4,706.05

Finding the Fourth Proportional to 4,977.40, 6,871.36 and 4,706.05

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Solution

The fourth proportional to 4,977.40, 6,871.36 and 4,706.05 is: 6,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.40 : 6,871.36 = 4,706.05 : x
  2. Step 2: Convert to fraction form
    4,977.40/6,871.36 = 4,706.05/x
  3. Step 3: Cross multiply
    4,977.40x = 6,871.36 × 4,706.05
  4. Step 4: Simplify right side
    4,977.40x = 32,336,963.73
  5. Step 5: Solve for x
    x = 32,336,963.73/4,977.40
  6. Step 6: Final answer
    x = 6,496.76

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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.