Home / 7,565.58-11,358.90-3,870.36

Finding the Fourth Proportional to 7,565.58, 11,358.90 and 3,870.36

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Solution

The fourth proportional to 7,565.58, 11,358.90 and 3,870.36 is: 5,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.58 : 11,358.90 = 3,870.36 : x
  2. Step 2: Convert to fraction form
    7,565.58/11,358.90 = 3,870.36/x
  3. Step 3: Cross multiply
    7,565.58x = 11,358.90 × 3,870.36
  4. Step 4: Simplify right side
    7,565.58x = 43,963,032.20
  5. Step 5: Solve for x
    x = 43,963,032.20/7,565.58
  6. Step 6: Final answer
    x = 5,810.93

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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.