Home / 5,565.12-8,340.72-2,637.60

Finding the Fourth Proportional to 5,565.12, 8,340.72 and 2,637.60

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Solution

The fourth proportional to 5,565.12, 8,340.72 and 2,637.60 is: 3,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.12 : 8,340.72 = 2,637.60 : x
  2. Step 2: Convert to fraction form
    5,565.12/8,340.72 = 2,637.60/x
  3. Step 3: Cross multiply
    5,565.12x = 8,340.72 × 2,637.60
  4. Step 4: Simplify right side
    5,565.12x = 21,999,483.07
  5. Step 5: Solve for x
    x = 21,999,483.07/5,565.12
  6. Step 6: Final answer
    x = 3,953.10

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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.