Home / 7,339.78-11,009.08-2,074.58

Finding the Fourth Proportional to 7,339.78, 11,009.08 and 2,074.58

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Solution

The fourth proportional to 7,339.78, 11,009.08 and 2,074.58 is: 3,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.78 : 11,009.08 = 2,074.58 : x
  2. Step 2: Convert to fraction form
    7,339.78/11,009.08 = 2,074.58/x
  3. Step 3: Cross multiply
    7,339.78x = 11,009.08 × 2,074.58
  4. Step 4: Simplify right side
    7,339.78x = 22,839,206.81
  5. Step 5: Solve for x
    x = 22,839,206.81/7,339.78
  6. Step 6: Final answer
    x = 3,111.70

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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.