Home / 4,977.36-7,466.88-2,380.24

Finding the Fourth Proportional to 4,977.36, 7,466.88 and 2,380.24

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Solution

The fourth proportional to 4,977.36, 7,466.88 and 2,380.24 is: 3,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.36 : 7,466.88 = 2,380.24 : x
  2. Step 2: Convert to fraction form
    4,977.36/7,466.88 = 2,380.24/x
  3. Step 3: Cross multiply
    4,977.36x = 7,466.88 × 2,380.24
  4. Step 4: Simplify right side
    4,977.36x = 17,772,966.45
  5. Step 5: Solve for x
    x = 17,772,966.45/4,977.36
  6. Step 6: Final answer
    x = 3,570.76

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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.