Home / 5,037.68-7,554.40-1,917.20

Finding the Fourth Proportional to 5,037.68, 7,554.40 and 1,917.20

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Solution

The fourth proportional to 5,037.68, 7,554.40 and 1,917.20 is: 2,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.68 : 7,554.40 = 1,917.20 : x
  2. Step 2: Convert to fraction form
    5,037.68/7,554.40 = 1,917.20/x
  3. Step 3: Cross multiply
    5,037.68x = 7,554.40 × 1,917.20
  4. Step 4: Simplify right side
    5,037.68x = 14,483,295.68
  5. Step 5: Solve for x
    x = 14,483,295.68/5,037.68
  6. Step 6: Final answer
    x = 2,874.99

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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.