Home / 4,900.36-7,344.54-1,977.16

Finding the Fourth Proportional to 4,900.36, 7,344.54 and 1,977.16

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Solution

The fourth proportional to 4,900.36, 7,344.54 and 1,977.16 is: 2,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.36 : 7,344.54 = 1,977.16 : x
  2. Step 2: Convert to fraction form
    4,900.36/7,344.54 = 1,977.16/x
  3. Step 3: Cross multiply
    4,900.36x = 7,344.54 × 1,977.16
  4. Step 4: Simplify right side
    4,900.36x = 14,521,330.71
  5. Step 5: Solve for x
    x = 14,521,330.71/4,900.36
  6. Step 6: Final answer
    x = 2,963.32

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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.