Home / 7,386.81-11,081.61-2,390.52

Finding the Fourth Proportional to 7,386.81, 11,081.61 and 2,390.52

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Solution

The fourth proportional to 7,386.81, 11,081.61 and 2,390.52 is: 3,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.81 : 11,081.61 = 2,390.52 : x
  2. Step 2: Convert to fraction form
    7,386.81/11,081.61 = 2,390.52/x
  3. Step 3: Cross multiply
    7,386.81x = 11,081.61 × 2,390.52
  4. Step 4: Simplify right side
    7,386.81x = 26,490,810.34
  5. Step 5: Solve for x
    x = 26,490,810.34/7,386.81
  6. Step 6: Final answer
    x = 3,586.23

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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.