Home / 7,050.90-10,575.55-1,857.18

Finding the Fourth Proportional to 7,050.90, 10,575.55 and 1,857.18

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Solution

The fourth proportional to 7,050.90, 10,575.55 and 1,857.18 is: 2,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.90 : 10,575.55 = 1,857.18 : x
  2. Step 2: Convert to fraction form
    7,050.90/10,575.55 = 1,857.18/x
  3. Step 3: Cross multiply
    7,050.90x = 10,575.55 × 1,857.18
  4. Step 4: Simplify right side
    7,050.90x = 19,640,699.95
  5. Step 5: Solve for x
    x = 19,640,699.95/7,050.90
  6. Step 6: Final answer
    x = 2,785.56

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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.