Home / 7,477.48-11,217.66-2,547.40

Finding the Fourth Proportional to 7,477.48, 11,217.66 and 2,547.40

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Solution

The fourth proportional to 7,477.48, 11,217.66 and 2,547.40 is: 3,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.48 : 11,217.66 = 2,547.40 : x
  2. Step 2: Convert to fraction form
    7,477.48/11,217.66 = 2,547.40/x
  3. Step 3: Cross multiply
    7,477.48x = 11,217.66 × 2,547.40
  4. Step 4: Simplify right side
    7,477.48x = 28,575,867.08
  5. Step 5: Solve for x
    x = 28,575,867.08/7,477.48
  6. Step 6: Final answer
    x = 3,821.59

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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.