Home / 4,740.84-7,114.88-2,145.60

Finding the Fourth Proportional to 4,740.84, 7,114.88 and 2,145.60

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Solution

The fourth proportional to 4,740.84, 7,114.88 and 2,145.60 is: 3,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.84 : 7,114.88 = 2,145.60 : x
  2. Step 2: Convert to fraction form
    4,740.84/7,114.88 = 2,145.60/x
  3. Step 3: Cross multiply
    4,740.84x = 7,114.88 × 2,145.60
  4. Step 4: Simplify right side
    4,740.84x = 15,265,686.53
  5. Step 5: Solve for x
    x = 15,265,686.53/4,740.84
  6. Step 6: Final answer
    x = 3,220.04

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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.