Home / 7,860.51-11,784.08-3,475.58

Finding the Fourth Proportional to 7,860.51, 11,784.08 and 3,475.58

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Solution

The fourth proportional to 7,860.51, 11,784.08 and 3,475.58 is: 5,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.51 : 11,784.08 = 3,475.58 : x
  2. Step 2: Convert to fraction form
    7,860.51/11,784.08 = 3,475.58/x
  3. Step 3: Cross multiply
    7,860.51x = 11,784.08 × 3,475.58
  4. Step 4: Simplify right side
    7,860.51x = 40,956,462.53
  5. Step 5: Solve for x
    x = 40,956,462.53/7,860.51
  6. Step 6: Final answer
    x = 5,210.41

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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.