Home / 5,130.56-7,695.44-1,667.52

Finding the Fourth Proportional to 5,130.56, 7,695.44 and 1,667.52

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Solution

The fourth proportional to 5,130.56, 7,695.44 and 1,667.52 is: 2,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.56 : 7,695.44 = 1,667.52 : x
  2. Step 2: Convert to fraction form
    5,130.56/7,695.44 = 1,667.52/x
  3. Step 3: Cross multiply
    5,130.56x = 7,695.44 × 1,667.52
  4. Step 4: Simplify right side
    5,130.56x = 12,832,300.11
  5. Step 5: Solve for x
    x = 12,832,300.11/5,130.56
  6. Step 6: Final answer
    x = 2,501.15

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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.