Home / 4,903.45-7,355.85-1,783.10

Finding the Fourth Proportional to 4,903.45, 7,355.85 and 1,783.10

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Solution

The fourth proportional to 4,903.45, 7,355.85 and 1,783.10 is: 2,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.45 : 7,355.85 = 1,783.10 : x
  2. Step 2: Convert to fraction form
    4,903.45/7,355.85 = 1,783.10/x
  3. Step 3: Cross multiply
    4,903.45x = 7,355.85 × 1,783.10
  4. Step 4: Simplify right side
    4,903.45x = 13,116,216.14
  5. Step 5: Solve for x
    x = 13,116,216.14/4,903.45
  6. Step 6: Final answer
    x = 2,674.90

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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.