Home / 7,547.42-11,320.14-2,001.09

Finding the Fourth Proportional to 7,547.42, 11,320.14 and 2,001.09

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Solution

The fourth proportional to 7,547.42, 11,320.14 and 2,001.09 is: 3,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.42 : 11,320.14 = 2,001.09 : x
  2. Step 2: Convert to fraction form
    7,547.42/11,320.14 = 2,001.09/x
  3. Step 3: Cross multiply
    7,547.42x = 11,320.14 × 2,001.09
  4. Step 4: Simplify right side
    7,547.42x = 22,652,618.95
  5. Step 5: Solve for x
    x = 22,652,618.95/7,547.42
  6. Step 6: Final answer
    x = 3,001.37

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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.