Home / 7,778.16-11,667.24-2,583.36

Finding the Fourth Proportional to 7,778.16, 11,667.24 and 2,583.36

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Solution

The fourth proportional to 7,778.16, 11,667.24 and 2,583.36 is: 3,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.16 : 11,667.24 = 2,583.36 : x
  2. Step 2: Convert to fraction form
    7,778.16/11,667.24 = 2,583.36/x
  3. Step 3: Cross multiply
    7,778.16x = 11,667.24 × 2,583.36
  4. Step 4: Simplify right side
    7,778.16x = 30,140,681.13
  5. Step 5: Solve for x
    x = 30,140,681.13/7,778.16
  6. Step 6: Final answer
    x = 3,875.04

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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.