Home / 5,077.03-7,615.47-1,790.15

Finding the Fourth Proportional to 5,077.03, 7,615.47 and 1,790.15

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Solution

The fourth proportional to 5,077.03, 7,615.47 and 1,790.15 is: 2,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.03 : 7,615.47 = 1,790.15 : x
  2. Step 2: Convert to fraction form
    5,077.03/7,615.47 = 1,790.15/x
  3. Step 3: Cross multiply
    5,077.03x = 7,615.47 × 1,790.15
  4. Step 4: Simplify right side
    5,077.03x = 13,632,835.02
  5. Step 5: Solve for x
    x = 13,632,835.02/5,077.03
  6. Step 6: Final answer
    x = 2,685.20

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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.