Home / 4,707.15-7,060.77-1,420.27

Finding the Fourth Proportional to 4,707.15, 7,060.77 and 1,420.27

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Solution

The fourth proportional to 4,707.15, 7,060.77 and 1,420.27 is: 2,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.15 : 7,060.77 = 1,420.27 : x
  2. Step 2: Convert to fraction form
    4,707.15/7,060.77 = 1,420.27/x
  3. Step 3: Cross multiply
    4,707.15x = 7,060.77 × 1,420.27
  4. Step 4: Simplify right side
    4,707.15x = 10,028,182.16
  5. Step 5: Solve for x
    x = 10,028,182.16/4,707.15
  6. Step 6: Final answer
    x = 2,130.42

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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.