Home / 4,740.21-6,542.46-2,970.54

Finding the Fourth Proportional to 4,740.21, 6,542.46 and 2,970.54

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Solution

The fourth proportional to 4,740.21, 6,542.46 and 2,970.54 is: 4,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.21 : 6,542.46 = 2,970.54 : x
  2. Step 2: Convert to fraction form
    4,740.21/6,542.46 = 2,970.54/x
  3. Step 3: Cross multiply
    4,740.21x = 6,542.46 × 2,970.54
  4. Step 4: Simplify right side
    4,740.21x = 19,434,639.13
  5. Step 5: Solve for x
    x = 19,434,639.13/4,740.21
  6. Step 6: Final answer
    x = 4,099.95

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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.