Home / 4,857.22-7,285.65-1,570.22

Finding the Fourth Proportional to 4,857.22, 7,285.65 and 1,570.22

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Solution

The fourth proportional to 4,857.22, 7,285.65 and 1,570.22 is: 2,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.22 : 7,285.65 = 1,570.22 : x
  2. Step 2: Convert to fraction form
    4,857.22/7,285.65 = 1,570.22/x
  3. Step 3: Cross multiply
    4,857.22x = 7,285.65 × 1,570.22
  4. Step 4: Simplify right side
    4,857.22x = 11,440,058.35
  5. Step 5: Solve for x
    x = 11,440,058.35/4,857.22
  6. Step 6: Final answer
    x = 2,355.27

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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.